幾何
三角形、圓、解析幾何與證明題。
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para cada par de figuras a continuación, elija la relación entre ambas.…
First pair: A. Traslación Second pair: A. Traslación Third pair: A. Traslación Fourth pair: A. Traslación
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inténtelo otra vez. su respuesta es incorrecta. por cada par de figuras…
First pair: Traslación Second pair: Rotación Third pair: Rotación Fourth pair: Reflexión
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para cada par de figuras a continuación, elija la relación entre ambas.…
First pair: Traslación Second pair: Rotación Third pair: Rotación Fourth pair: Reflexión
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graph the image of e(3, -3) after a reflection over the x - axis.
The image of point $E(3,-3)$ after reflection over the $x - axis$ is the point $(3,3)$. To graph it, locate the point 3 units to the right of the $y$-axis and 3 units above the $x…
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the point n(3, 2) is reflected over the x - axis. what are the coordina…
$(3,-2)$
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for each pair of figures below, choose the relationship between them.
1. Rotación 2. Traslación 3. Rotación 4. Reflexión
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the point j(4, -4) is reflected over the y - axis. what are the coordin…
$(-4,-4)$
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the point p(-6, 6) is reflected over the y - axis. what are the coordin…
$(6,6)$
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diagnostic activity: outline the shapes that go together to make each c…
a. Rectangle, two semi - circles b. Two rectangles c. Rectangle, triangle d. Two rectangles
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graph the image of s(-4, 8) after a reflection over the y - axis.
The image of $S(-4,8)$ after reflection over the $y - axis$ is the point $(4,8)$. To graph it, find the point where $x = 4$ and $y=8$ on the coordinate - plane.
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geometry with trigonometry chapter 1 review 1. use the diagram to answe…
1. a. $B$ b. $\overrightarrow{AB}$ c. $C$ d. Plane $FBC$ e. No, their sum is not $90^{\circ}$. f. Yes, they have a common side, common vertex and non - overlapping interiors. g. N…
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the point m(0, 4) is reflected over the x - axis. what are the coordina…
$(0,-4)$
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complete the chart. 20 | figure | circumference (perimeter) | area | | …
| Figure | Circumference (Perimeter) | Area | | ---- | ---- | ---- | | 1. | $\approx43.98$ cm | $\approx153.94$ $cm^{2}$ | | 2. | $\approx23.24$ m | $\approx42.98$ $m^{2}$ | | 3. …
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use the diagram below to answer questions 1 and 2. 1. if lm = 22 and mn…
1. \(LN = 37\) 2. \(MN = 23\)
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graph the image of p(-3, -5) after a reflection over the y - axis.
The image of point $P(-3,-5)$ after reflection over the $y - axis$ is $(3,-5)$. To graph it, find the point $(3,-5)$ on the coordinate - plane, which is 3 units to the right of th…
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graph the image of p(-3, -5) after a reflection over the y - axis.
The image of $P(-3,-5)$ after reflection over the $y$-axis is $(3,-5)$.
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the point g(3, -5) is reflected over the x - axis. what are the coordin…
$(3,5)$
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asificar cada figura como una recta, semirrecta o segmento de recta. lu…
(a) Tipo: segmento de recta; Cómo se escribe: $\overline{TU}$ (b) Tipo: recta; Cómo se escribe: $\overleftrightarrow{RS}$ (c) Tipo: semirrecta; Cómo se escribe: $\overrightarrow{Q…
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clasificar cada triángulo a continuación como acutángulo, obtusángulo o…
Triangle A: Rectángulo Triangle B: Obtusángulo Triangle C: Acutángulo Triangle D: Rectángulo
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practice | figure | circumference (perimeter) | area | | ---- | ---- | …
| Figure | Circumference (Perimeter) | Area | | ---- | ---- | ---- | | 1 | $50.24$ cm | $200.96$ $cm^{2}$ | | 2 | $31.4$ m | $78.5$ $m^{2}$ | | 3 | $17.85$ m | $19.625$ $m^{2}$ | …
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triángulos acutángulos, obtusángulos y rectángulos clasificar cada triá…
Triángulo A: Obtusángulo Triángulo B: Acutángulo Triángulo C: Obtusángulo Triángulo D: Rectángulo
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5) $\frac{6}{7}$ of a rectangle is colored red. timothy cuts this red p…
3
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tell the value for the variable. 1. $a + 12 = 27$ 2. $35 - b = 32$ 3. $…
## Activity 1 1. $a = 15$ 2. $b = 3$ 3. $c=\frac{3}{5}$ 4. $d = 48$ 5. $m = 63$ 6. $p=\frac{3}{40}$ ## Activity 2 1. $\frac{15}{10}=\frac{3}{2}$ 2. $\frac{67}{100}$ 3. $\frac{150}…
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clasificar cada figura como una recta, semirrecta o segmento de recta. …
(a) Type: segmento de recta; Cómo se escribe: $\overline{TU}$ (b) Type: recta; Cómo se escribe: $\overleftrightarrow{RS}$ (c) Type: semirrecta; Cómo se escribe: $\overrightarrow{Q…
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diagnostic activity complete the crossword puzzle. area circle circumfe…
Across: 3. Radius 5. Circumference 9. Squared 10. Cylinder 11. Area Down: 1. Volume 2. Circle 3. Rectangular 4. Diameter 6. Rectangle 7. Cubed 8. Square
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suppose you have a rectangle where the length is greater than the width…
70 meters
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1. for each of the following figures, draw all lines of reflection that…
The figure that has no lines of symmetry is (c) the parallelogram.
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hallar el valor de x.
$71$
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hallar el valor de x.
\(x = 121^{\circ}\)
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hallar el valor de x.
\(120^{\circ}\)
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m∠1 = 55°. what is m∠2? m∠2 =
1. **Explanation**: - **Step1: Assume linear - pair relationship** - If \(\angle1\) and \(\angle2\) form a linear pair (adjacent angles that are supplementary, i.e., their sum is …
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how are ∠1 and ∠2 related? complete the equation. m∠1 + m∠2 = square^{c…
$90$
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by decreasing each dimension by 1 unit, the area of a rectangle decreas…
40
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show that each statement is false by providing a counterexample. (a) if…
(a) length = 10, width = 10 (b) $m\angle P=90$, $m\angle Q = 45$, $m\angle R = 45$ (c) $XY = 5$, $YZ = 15$ (d) $m\angle1 = 45$, $m\angle2 = 45$
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complete the proof by choosing the correct reason. given: m∠etg = m∠hk,…
$m\angle1=m\angle3$
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7. m∠1 = 51° m∠2 = 34° m∠3 = 95° m∠4 = 86° m∠5 = 47° m∠6 = 159° m∠7 = 5…
\(m\angle1 = 51^{\circ}\), \(m\angle2 = 34^{\circ}\), \(m\angle3 = 95^{\circ}\), \(m\angle4 = 38^{\circ}\), \(m\angle5 = 47^{\circ}\), \(m\angle6 = 74^{\circ}\), \(m\angle7 = 59^{…
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find all missing angles. 6. $m\\angle1 = \frac{51^{circ}}{} $ $m\\angle…
$m\angle1 = 18^{\circ}$ $m\angle2 = 18^{\circ}$ $m\angle3 = 129^{\circ}$ $m\angle4 = 57^{\circ}$
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for each pair of figures below, choose how they are related.
First pair: Translation Second pair: Translation Third pair: Rotation Fourth pair: Translation
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for each pair of figures below, choose how they are related.
Translation, Reflection, Rotation, None of these
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given the area and width of a rectangle below, what is the length? (1 p…
$9x - 7$
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9. (19x - 18)° (7x + 1)° (10x - 9)°
\(x = 5\)
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quiz 4-1: classifying and solving for sides/angles in triangles directi…
1. \(\triangle CFE\): Right - Scalene 2. \(\triangle BEC\): Obtuse - Scalene 3. \(\triangle BFG\): Equilateral (Acute) 4. \(\triangle GAF\): Obtuse - Scalene
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write a rule for the reflection. (x,y)→( , )
$(x,y)\to(x, - y)$
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suppose you have a rectangle where the length is longer than the width …
The equation $x(x + 5)=20$ can be used to solve for the width.
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1. rectangle x measures 16 in by 12 in. rectangle y is a scaled copy of…
C. 12 in by 9 in, D. 4 in by 3 in, E. 68 in by 51 in
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a flower bed is in the shape of a triangle with one side twice the leng…
66 feet
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a flower bed is in the shape of a triangle with one side twice the leng…
33 feet
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an architect designs a rectangular flower garden such that the width is…
The length of the garden is 105 feet and the width is 70 feet.
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what are the exact side lengths of the triangle shown? 30° b a 60° 8 mm…
$a=\frac{16\sqrt{3}}{3}$, $b = \frac{8\sqrt{3}}{3}$
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a frame shop charges according to both the amount of framing needed to …
a. The area of the picture is $912$ in$^2$ and the perimeter is $182$ in. b. The frame has to do with perimeter.
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part b what are the exact side lengths of the triangle shown? 21 cm
$a=\frac{21}{2}$ $c=\frac{21\sqrt{3}}{2}$
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what are the exact side lengths of the triangle shown? 4 in. 45° c 45° …
$b = 4$ $c = 4\sqrt{2}$
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the government gives public funds to low - performing schools for new c…
as in compliance with the clause because the government's action was for a secular purpose, did not advance a particular religion, and was unentangled
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what is the sum the exterior angles of a 73 sided polygon?
360
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the table below indicates the variations in circumference of a circle w…
We need to plot the points where the x - coordinate is the diameter and the y - coordinate is the circumference. The points to be plotted are (1, 3.141), (2, 6.253), (3, 9.425), (…
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using the graph, determine the coordinates of the x - intercepts of the…
(4,0), (6,0)
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using the graph, determine the coordinates of the zeros of the parabola.
(-5,0), (0,0)
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reflect triangle def over the y - axis, then translate the image 5 unit…
The order of the two transformations (reflection over the $y - axis$ and translation 5 units down) does not matter. The final positions of the vertices of the triangle are the sam…
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circle even or odd. then write the equation. use cubes to help. 1. 11 o…
1. odd, 5 + 6 = 11 2. even, 9 + 9 = 18
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using the graph, determine the coordinates of the y - intercept of the …
(0, - 8)
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imperial measures evaluation 1. measure the diameter of each coin to th…
1. (Measurements need to be done physically, no answer provided here) 2. a) 10 in. b) 10 ft c) 1 ft 3. (Answers depend on actual arrow positions on the ruler, no specific answers …
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how are ∠1 and ∠2 related? complete the equation. m∠1 + m∠2 =
180
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m∠1 = 137°. find m∠2. m∠2 =
$43$
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write an equation to show how m∠1 and m∠2 are related.
$m\angle1 + m\angle2=180^{\circ}$
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xy is a translation of xy. write the translation rule.
$(x,y)\to(x + 10,y - 10)$
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a. given : $overline{pr}$ bisects $angle apb$, $angle apb$ is a right -…
$m\angle RPB = 45^{\circ}$
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practice 1. measure the following lines to the nearest 1/16\ of an inch…
For part 1, measurements depend on actual ruler use. For part 2: a) Draw a line $\frac{44}{16}$ inches long. b) Draw a line $\frac{26}{16}$ inches long. c) Draw a line $\frac{7}{1…
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pentagon k is a scaled copy of pentagon j. what scale factor takes pent…
$\frac{3}{4}$
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24. the angle of elevation from l to k measures 55°. if jk = 26, find j…
# Explanation: ## Step1: Usar la función trigonométrica tangente En el triángulo rectángulo JKL, $\tan(\angle L)=\frac{JK}{JL}$. Sabemos que $\angle L = 55^{\circ}$ y $JK = 26$. E…
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quadrilateral q is a scaled copy of quadrilateral p. what is the value …
$6.5$
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23. a triangle has side lengths of 6, 8, and 9. what type of triangle i…
D. acute
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trapezoid w is a scaled copy of trapezoid v. what is the value of u?
8
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22 △def is a right triangle. if fe = 8 and de = 6, find df. 100 48 10 28
# Explicación: ## Paso1: Aplicar el teorema de Pitágoras En un triángulo rectángulo, $DF^{2}=DE^{2}+FE^{2}$. ## Paso2: Sustituir los valores dados Dado que $FE = 8$ y $DE = 6$, en…
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quadrilateral p is a scaled copy of quadrilateral n. what scale factor …
$1.25$
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hexagon b is a scaled copy of hexagon a. hexagon a hexagon b what scale…
$1.25$
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21. what is the tangent ratio for ∠f? (\frac{4}{3}) (\frac{5}{3}) (\fra…
# Explicación: ## Paso1: Recordar la definición de tangente. La tangente de un ángulo en un triángulo rectángulo es la razón entre el cateto opuesto y el cateto adyacente al ángul…
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lines cv and rg intersect at point n are shown. which of the following …
∠CNG and ∠RNV form a linear pair ∠RNC and ∠VNG are vertical angles m∠RNV + m∠GNV=m∠RNC + m∠GNC m∠RNC + m∠CNG+m∠GNV = 180°
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quadrilateral s is a scaled copy of quadrilateral r. what is the value …
9
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triangle q is a scaled copy of triangle p. 9 6 12 12 16 triangle p tria…
8
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polygon q is a scaled copy of polygon p. what is the value of r?
2
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lines hx and sp intersect line rt as shown. which of the following stat…
- $\angle RVX$ and $\angle SWT$ are alternate interior angles. - $\angle SWV$ and $\angle TWP$ are alternate exterior angles. - $\angle BVR$ and $\angle SWV$ are corresponding ang…
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20. a child lies on the ground and looks up at the top of a 14 - ft tre…
$63^{\circ}$
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19. in △stu, su = 18 and tu = 13. find m∠t to the nearest tenth of a de…
# Explicación: ## Paso 1: Identificar la función trigonométrica En un triángulo rectángulo $\triangle STU$ con ángulo recto en $U$, $\tan(T)=\frac{SU}{TU}$. ## Paso 2: Sustituir v…
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114 mastering ohios american government standards 3 circle each blank b…
3. political equality; Republican 4. D. They supported settlements of former plantation lands. 5. A. Most Republicans supported the Civil War Amendments.
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18. which is the angle of depression from a to b? ∠4 ∠3 ∠2 ∠1
∠1
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polygon k is a scaled copy of polygon i. what scale factor takes polygo…
1.4
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quadrilateral m is a scaled copy of quadrilateral l. what scale factor …
$\frac{5}{4}$
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polygon r is a scaled copy of polygon q. what is the value of x?
8
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euclidean geometry statements reasons trv = 60°; 1. given ∠trs=(4x)° ∠t…
angle addition postulate
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trapezoid e is a scaled copy of trapezoid d. what scale factor takes tr…
$1.2$
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angle rst is a right angle. angle rsu has a measure of 25°. what is the…
$65^{\circ}$
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quadrilateral o is a scaled copy of quadrilateral n. what scale factor …
\(1.6\)
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polygon j is a scaled copy of polygon i. what is the value of k?
27
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17. in △klm, lm = 11 and m∠k = 45. find kl. leave your answer in simple…
# Explicación: ## Paso 1: Identificar la relación trigonométrica En un triángulo rectángulo, $\sin\theta=\frac{\text{cateto opuesto}}{\text{hipotenusa}}$. Aquí, $\theta = 45^{\cir…
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16. in △def, de = 15 and m∠f = 32. find ef to the nearest tenth. 7.9 8.…
# Explicación: ## Paso 1: Identificar la relación trigonométrica En un triángulo rectángulo, $\tan\theta=\frac{\text{cateto opuesto}}{\text{cateto adyacente}}$. Aquí, $\theta = \a…
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15. what is the tangent ratio for ∠e? ○ $\frac{4}{3}$ ○ $\frac{5}{4}$ ○…
$\frac{3}{4}$
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14. find the value of x. round your answer to the nearest tenth. sin 33…
# Explicación: ## Paso1: Re - organizar la ecuación Partimos de $\sin33^{\circ}=\frac{7}{x}$, y despejamos $x$. Multiplicando ambos lados por $x$ y luego dividiendo por $\sin33^{\…
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13. △pqr is a right triangle. if rq = 8, what is pq? 16 8√3 4√3 4
$PQ = 16$
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12. △xyz is a right triangle. if xy = 4, what is yz? 4√3 8 16 8√3
# Explicación: ## Paso 1: Identificar la relación trigonométrica En un triángulo rectángulo, usamos la tangente. $\tan\theta=\frac{\text{cateto opuesto}}{\text{cateto adyacente}}$…
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write ratios to describe the pictures. 1. circles to shapes 2. triangle…
1. $\frac{1}{3}$ 2. $\frac{6}{5}$ 3. $\frac{5}{4}$ 4. $\frac{2}{3}$ 5. $\frac{3}{8}$ 6. $\frac{3}{5}$ 7. $\frac{4}{12}$ 8. $\frac{2}{10}$ 9. $\frac{6}{12}$ 10. $\frac{6}{8}$ 11. $…