Géométrie
Triangles, cercles, géométrie analytique et démonstrations.
-
7. find the measure of the angle of elevation of the sun when a boy 5 f…
$45^{\circ}$ ### 8.
-
4. △ghi≅△kij 4. blem 4: statement\treason 1. ac∥bd,ab∥cd\t1. given 2. ∠…
2. Alternate Interior Angles are = 3. Reflexive Property 4. SAS
-
look at the diagram and evaluate. which of the statements below is fals…
NO > MN
-
6x + 7 6y - 7 7x - 13 x = type your answer... y = type your answer...
\(x = 20\) \(y=\frac{67}{3}\)
-
which quadrant will △low be in when it is reflected across the y - axis…
Quadrant I
-
geometry a unit 2 test - green due: october 2 at 11:59 pm complete: 42%…
$\overline{VU}$ is a perpendicular bisector.
-
what information do you need to translate an image? distance and reflec…
distance and direction
-
figure pqrs is a reflection of figure wxyz. figure jklm is a translatio…
PART A: All corresponding angles to ∠V in the reflected and translated figures have the same measure as ∠V because reflection and translation are rigid - motions that preserve ang…
-
identify the transformation. 90 rotation counter clockwise translation …
Reflection across y - axis
-
when you translate, (x,y + 6) will move _____. 6 units up 6 units left …
6 units up
-
which of the following rules would translate δabc 5 units left and 3 un…
(x,y)→(x - 5,y + 3)
-
which of these transformation rules transforms a from (-4,7) to a(-7,8)…
$(x,y)\to(x - 3,y + 1)$
-
in translations, the image and the pre - image are always opposite para…
congruent
-
3. the length of a rectangle is $\frac{w + 3}{w^{2}+w - 12}$ and the wi…
$\frac{w + 3}{(w - 3)^{2}}$
-
what information do you need to reflect an image? line of reflection co…
line of reflection
-
pyramid a is a square pyramid with a base side length of 18 inches and …
$322.63\%$
-
sort the numbers into the venn diagram. 6 7 12 13 15 24 29 multiples of…
In the "Multiples of 3" only: 6, 15; In the intersection of "Multiples of 3" and "Multiples of 4": 12, 24; Outside both circles: 7, 13, 29.
-
which answer shows a reflection across the y - axis? a b c d
(Without seeing the actual content of options a, b, c, d, we cannot provide a specific letter - identified answer. But the process to find it is as above. If you can provide more …
-
3. the length of a rectangle is $\frac{w + 3}{w^{2}+w - 12}$ and the wi…
$\frac{w + 3}{(w-3)^{2}}$ ### 4. ## a)
-
if you rotate an image 90 degrees clockwise and then rotate 90 degrees …
The image goes back to its original position
-
reflections over the x - axis change the sign of the _____________. x -…
y - coordinate
-
what is the angle of rotation for this counterclockwise rotation about …
$90^{\circ}$
-
the \mathematical term\ for the line that you reflect a shape over is t…
D. line of reflection
-
write a rule for the translation (x + 1, y - 2) (x + 2, y - 1) (x - 2, …
\((x + 1,y - 2)\)
-
figures t and t are congruent. what sequence of transformations maps fi…
B. Rotate triangle R 180° clockwise around the origin.
-
what information do you need to rotate an image? center of rotation, de…
Center of rotation, degree of rotation, direction
-
after a figure has been transformed, we call the new figure the... diff…
D. image
-
which way do you rotate if you turn to the right? counter - clockwise c…
clockwise
-
what is the domain of the linear fu f all real numbers less than or equ…
### Explicación: ## Paso 1: Encontrar la pendiente y la intersección con el eje - y del gráfico La intersección con el eje - y es el punto donde la línea cruza el eje $y$. Observa…
-
an entire pre - image that is located in quadrant iii is then rotated 9…
Quadrant II
-
the following is a... reflection rotation dilation translation
Reflection
-
what is the proper term for rotating to the left? clockwise turn spin c…
counter - clockwise
-
triangle rst has vertices r(1, 1), s(1, 4), and t(3, 1). graph the figu…
(-3, -1)
-
5. a 20 foot ladder leans against a building and makes an angle of 72° …
5. The distance between the foot of the ladder and the building is approximately $6.18$ feet. 6. The height of the hill is approximately $519.75$ feet.
-
sort the numbers into the venn diagram. 18 22 27 35 36 41 50 multiples …
In the "Multiples of 5" circle: 35, 50 In the "Multiples of 9" circle: 18, 27, 36 Outside both circles: 22, 41
-
for help with questions 2 and 3, see example 2. 2. a) verify that de an…
a) DE and BC are parallel because their slopes are equal ($m_{DE}=m_{BC}=-\frac{1}{2}$). b) AD and EF, AB and FC are parallel. c) DE = BF as both have a length of $\sqrt{20}=2\sqr…
-
sort the numbers into the venn diagram. 12 15 17 20 32 35 40 multiples …
Multiples of 4 circle: 12, 32 Intersection: 20, 40 Multiples of 5 circle: 15, 35 Outside both circles: 17
-
question 1, 2.4.9 part 1 of 3 find the center and radius of the circle.…
The center of the circle is \((h,k)=(-2,-1)\), the radius \(r = 2\), and the standard - form of the equation is \((x + 2)^2+(y + 1)^2=4\)
-
3. the length of a rectangle is $\frac{w + 3}{w^{2}+w - 12}$ and the wi…
\(\frac{w + 3}{(w - 3)^2}\) ### 4.
-
n of dallas as an ordered pair (x, y).
$(4, - 4)$
-
sort the numbers into the venn diagram. 8 9 11 14 19 20 21
In the "Multiples of 2" circle: 8, 14, 20; In the "Multiples of 3" circle: 9, 21; Outside both circles: 11, 19
-
determine the relationship between the two triangles and whether or not…
The two triangles are related by Angle - Angle - Angle (AAA), so the triangles CANNOT be proven congruent.
-
which diagram is a net for this prism? what is the surface area of the …
1720
-
answer $d=square^{circ}$ $e = square^{circ}$ $f=square^{circ}$ submit a…
\(d = 102\) \(e = 144\) \(f = 36\)
-
find the area of this triangle. round to the nearest tenth.
\(83.6\) \(m^{2}\)
-
question 5 of 10 true or false? a circle could be circumscribed about t…
B. False
-
what is the approximate area of the shaded sector in the circle shown b…
D. $283$ $cm^{2}$
-
the quadratic regression graphed on the coordinate grid represents the …
The height of the surface decreases from the center out to the sides of the road.
-
in the diagram below, $overline{xy}$ and $overline{yz}$ are tangent to …
A. $48^{\circ}$
-
in the diagram below, $overline{xy}$ and $overline{yz}$ are tangent to …
C. $\frac{1}{2}(247 - x)=67$
-
which of the following segments is a diameter of ⊙o? a. $overline{ab}$ …
B. $\overline{AC}$
-
true or false? the blue radius is perpendicular to the green chord. a. …
A. True
-
if the blue radius below is perpendicular to the green chord and the se…
C. 12 units
-
what is the center of the circle shown below? a. $overline{jk}$ b. 7.8 …
D. \(J\)
-
what is the area of the shaded region? write your answer as a whole num…
289.50 square miles
-
explore special parallelograms by following these steps. 1. move vertex…
The diagonals are perpendicular
-
question 5 of 5 select the correct answer from each drop - down menu. g…
# Explicación: ## Paso 1: Propiedades de un paralelogramo En un paralelogramo ABCD, AB || CD y AD || BC. Además, AB = CD y AD = BC. Las diagonales AC y BD se intersectan. ## Paso …
-
look at this shape: which image shows a translation? a b c a b c
A. Option A
-
look at this shape: which image shows a reflection? a b c a b c
B
-
name the plane that is highlighted in the diagram below. answer attempt…
# Explicación: ## Paso 1: Identificar puntos en el plano Los puntos en el plano resaltado son E, F, I, J. ## Paso 2: Nombre del plano Un plano se puede nombrar utilizando tres o m…
-
directions: type the correct answer in the box. use numerals instead of…
48
-
question 2 of 10 fill in the blank. given ⊙v below, you can conclude th…
C. \(\overline{NR}\)
-
a company makes japanese - style lunch boxes called bento boxes. each b…
The manager can find the volume of the container using the formula $V = l\times w\times h$. The employee correctly determines that the container can be filled with 63 bento - boxe…
-
a theorem in geometry states that the measure of an inscribed angle is …
$(\frac{b}{a - c})(\frac{b}{a + c})=-1$
-
in the figure, $overrightarrow{ba}$ and $overrightarrow{bc}$ are opposi…
$22$
-
solve and write interval - notation for the solution set. then graph th…
A. $(-\infty,\frac{4}{7})$ The correct graph is the one with an open - circle at $\frac{4}{7}$ (approx. 0.57) and an arrow pointing to the left. Without seeing the exact labels on…
-
solve for c. c =? pythagorean theorem: a² + b² = c² round your answer t…
$c\approx10.63$
-
three students attempt to define what a circle is. can you match the te…
Ruby's definition - Are you thinking of a sphere? Shriya's definition - This is incorrect. For example, your definition also allows for the following shape, which is just part of …
-
graph the solution to the following inequality on the number line. (-x^…
On the number - line, we use an open circle at $x=-1$ and draw an arrow to the left, and use an open circle at $x = 3$ and draw an arrow to the right.
-
graph the solution to the following inequality on the number line. (x -…
The solution is $x\leq - 6$ or $x\geq1$. On the number - line, we would have a closed circle at $x=-6$ and shade to the left, and a closed circle at $x = 1$ and shade to the right.
-
answer $b=square^{circ}$ $c=square^{circ}$ submit answer
$b = 31$ $c = 149$
-
write the coordinates of the vertices after a dilation with a scale fac…
\(T'(-8,-8)\) \(U'(-8,-4)\) \(V'(-4,-4)\) \(W'(-4,-8)\)
-
look at this shape: which image shows a rotation? a b c a b c
B.
-
for the figure below, give the following (a) one pair of vertical angle…
(a) \(\angle1\) and \(\angle3\) (b) \(\angle1\) and \(\angle2\) (c) \(\angle1\) and \(\angle3\)
-
question 7 of 10 what is the approximate area of the circle shown below…
A. $43\ ft^{2}$
-
making predictions with transformations quick check which transformatio…
A. a rotation
-
comparing rigid transformations practice complete this assessment to re…
Option #3: \(0 < x < 1\)
-
solve for x.
$x = 5.25$
-
in the diagram, dc is 10 units and bc is 6 units. what is the length of…
# Explanation: ## Step1: Use Pythagorean theorem in right - triangle BCD In right - triangle BCD, by the Pythagorean theorem \(BD=\sqrt{DC^{2}-BC^{2}}\). Given \(DC = 10\) units a…
-
find the distance between the two points in simplest radical form. (8, …
$10$
-
question what is the image of (9, - 4) after a dilation by a scale fact…
$(45,-20)$
-
the figure on the right is a scaled copy of the figure on the left. whi…
Segment OM
-
find the sine, cosine, and tangent of ∠v. simplify your answers and wri…
$\sin(V)=\frac{35}{37}$, $\cos(V)=\frac{12}{37}$, $\tan(V)=\frac{35}{12}$
-
three students attempt to define the geometric object called an angle. …
Ivy's definition - Your definition is incorrect, and its precise meaning is unclear. Ethan's definition - Excellent! You have a razor - sharp intellect! Ebuka's definition - Angle…
-
the perimeter of a rectangle is to be no greater than 80 centimeters an…
5
-
given the figure below, find the values of x and z
\(x = 10\), \(z = 100\)
-
give one pair of supplementary angles and one pair of vertical angles s…
(a) Supplementary angles: ∠1 and ∠2 (b) Vertical angles: ∠1 and ∠4
-
solve the inequality and graph the solution. 5 > m - 1 plot the endpoin…
The solution of the inequality is $m < 6$. On the number line, place an open circle at 6 and draw an arrow to the left.
-
given: isosceles trapezoid efgh prove: △fhe≅△geh it is given that trape…
$\triangle FHE\cong\triangle GEH$ by SAS congruence criterion.
-
marcus plots the point (4, 7) in quadrant i on the coordinate plane. ni…
The line is a vertical line and the slope is undefined.
-
draw a line representing the ise\ and a line representing the un\ of th…
# Explicación: ## Paso 1: Elegir dos puntos en la línea Supongamos que los puntos son $(x_1,y_1)$ y $(x_2,y_2)$. Por ejemplo, si tomamos dos puntos claros en la línea mostrada, di…
-
find the distance between the points (-1, 2) and (7, 8). write your ans…
10
-
given abcd is a parallelogram. prove ab ≅ cd and bc ≅ da. assemble the …
| Statements | Reasons | |--|--| | 1. ABCD is a parallelogram | Given | | 2. Draw diagonal AC | Construction | | 3. ∠BAC ≅ ∠DCA; ∠BCA ≅ ∠DAC | Alternate - interior angles of paral…
-
choose the option that best describes what is formed by the constructio…
D. the perpendicular bisector of $\overline{AB}$
-
question find the distance between the two points in simplest radical f…
$8\sqrt{2}$
-
select all the trapezoids.
All four figures shown are trapezoids.
-
a triangular prism is shown below. which diagram is a net for this pris…
The first diagram is the net for the given prism.
-
which diagram is a net for this prism?
The first net.
-
what is the length of the missing leg? if necessary, round to the neare…
$3.7$
-
what is the measurement of this angle?
$140^{\circ}$