幾何
三角形、圓、解析幾何與證明題。
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triangle abc is similar to triangle xyz. the triangles are shown below.…
The scale factor is found by taking the ratio of the lengths of corresponding sides of \(\triangle XYZ\) and \(\triangle ABC\). For example, if the length of a side of \(\triangle…
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the area of a rectangle is 75 square centimeters. the rectangle is 5 ce…
B. 15 cm
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10 graph the image of kite jklm after a dilation with a scale - factor …
To find the coordinates of $J'$, $K'$, $L'$, $M'$, take the coordinates of $J$, $K$, $L$, $M$ respectively and multiply each $x$ and $y$ coordinate by $\frac{1}{4}$. Without the o…
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graph the image of the jklm after a dilation with a scale - factor of 1…
# Explanation: ## Step1: Recall dilation formula If a point $(x,y)$ is dilated with a scale - factor $k$ centered at the origin, the new point $(x',y')$ is given by $(x',y')=(kx,k…
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after a dilation, triangle a(0,0), b(6,4), c(6,0) becomes triangle a(0,…
B. 2.5
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1. explain the difference between a drawing and a construction. 2. draw…
A drawing is an approximate or free - hand representation. A construction is a precise geometric creation using specific tools and rules. 2.
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using the following dilated coordinates of a triangle choose the approp…
D. 2
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solve for a. a = ? round your final answer to the nearest tenth. law of…
$37.7$
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1. the cn tower is 553.33 m high. ellen looks up at the top of the towe…
$2066$ m
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find the measure of the indicated angle that make lines.
81° 74° 57° 72°
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identify the key features of g(x) shown on the graph. for #7, circle wh…
# Explicación: ## Paso 1: Identificar el vértice El vértice es el punto más alto o más bajo de la parábola. Observando el gráfico, el vértice de la parábola en la derecha está en …
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find the measure of the indicated angle that make lines. solve for “x”.
For the first four angle - finding problems: 81°, 74°, 123° or 57°, 108° or 72° For the x - solving problems: x = 9, x = 5
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read the passage from sugar changed the world. textbooks talk about the…
"What we call a triangle was really as round as the globe."
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grass seed is going to be spread over a playing field. the number of ba…
C. 5,220 square yards
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a classroom board is 42 inches wide and 28 inches tall. michelle is put…
B. 140 inches
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question 16 what is the best definition of \symmetry\? random arrangeme…
Exact correspondence of form on opposite sides
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10. using the figure below, if p is the circumcenter of △abc, what is t…
10. D. Impossible to find 11. B. 38 units 12. A. Opposite angles that are congruent 13. B. Diagonals that bisect each other 14. A. SAA
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given: $angle cge=(2x + 32)^{circ}$ $angle bge=(4x - 2)^{circ}$ conside…
$m\angle DGC = 108^{\circ}$, $m\angle DGB = 162^{\circ}$
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what is the volume of the rectangular prism? = 1 cubic inch a 32 cubic …
A. 32 cubic inches
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the vertices of a figure are given. what are the coordinates of the ima…
$M'(6,9)$ $N'(15,9)$ $P'(15,3)$ Type of dilation: Enlargement
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find the coordinates of the vertices after a dilation with a scale fact…
$A(-3,-5)\to(-6,-10)$ $B(-1,0)\to(-2,0)$ $C(-3,5)\to(-6,10)$ $D(-4,0)\to(-8,0)$
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the trapezoids are dilations using the center of dilation, point p. tel…
A to C: Scale factor greater than 1 B to A: Scale factor less than 1 B to B: Scale factor is 1 C to A: Scale factor less than 1
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4 which of the following dilations are reductions? select two correct a…
A. \((x,y)\to(0.4x,0.4y)\), E. \((x,y)\to(\frac{8}{9}x,\frac{8}{9}y)\)
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5. in the parallelogram shown, solve for x. a. 21 b. 55.87 c. 88 d. 163…
A. 21 ### 6.
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2 in dilations, images but they still keep the same both the image and …
1. change in size 2. shape 3. center of dilation 4. scale - factor
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read the passage a community park it was friday, and as she walked home…
Samara spends weeks working on a presentation for the town zoning board.
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read the passage. a community park it was friday, and as she walked hom…
There would be more dialogue between Wanda and Samara, rather than only one line of dialogue as there is in the present version.
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quadrilateral jklm is a rhombus. find the missing values. ml = 14 el = …
$ML = 14$, $EL = 6$, $KL = 14$, $MK = 8\sqrt{10}$
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if $overline{cd}perpoverline{ef}$, $mangle ech=(x + 5)^{circ}$ and $man…
$x = 23$, $\angle ECH=28$, $\angle HCD=62$
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consider the figures given below and drop the appropriate result in the…
(For the first - pair of figures in the top - left): Without seeing the exact orientation and position change precisely, if it's just a shift in position without rotation, reflect…
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construct a perpendicular line through a point not on the line. this is…
D.
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if $overrightarrow{qs}$ bisects $angle pqr$, $mangle pqs=(7x - 6)^{circ…
There is likely a mis - label in the problem. If we assume you want $m\angle PQR$ based on the angle - bisector work, the answer is $86^{\circ}$. If we consider the values of $m\a…
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a section of a roller coaster track forms a parallelogram abcd. if m∠ab…
B. $108^{\circ}$
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name the intersection of plane jps and plane z * your answer this is a …
line JK
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find x if $overline{cd}perpoverline{ef}$, $mangle ech=(x + 5)^{circ}$ a…
$x = 23$
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math 3 unit 1 test reasoning with geometry version 2 name jim 1. in the…
B. $40^{\circ}$ ### 2.
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if k is the midpoint of jl, jk = 8x + 11 and kl = 14x - 1. find jl * o …
54
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classify angles 1 and angles 2 using all relationships that apply * adj…
Vertical
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if q is the mid - point of pr, find the coordinates of r if p(11,-2) an…
1. Coordinates of $R$: $(-3,8)$ 2. Value of $x$: $14$
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√((x₂ - x₁)+(y₂ - y₁)²) (1,0) (-4,-6)
$13$
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find the value of x. (5x + 4)° (8x - 71)°
$25$
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what is the combined perimeter of these two rectangles? a 6x + 14 b 12x…
E. $24x + 52$
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a table makes the angle shown with the floor. what must be the value of…
E. \(135^{\circ}\)
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if (mangle tuv=(9x + 1)^{circ}), (mangle tuw=(7x - 9)^{circ}), and (man…
7
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read the passage. a community park it was friday, and as she walked hom…
In a few weeks' time, the space had been cleared and residents were beginning to roll out sod and plant small vegetable plants and summer flowers.
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an isosceles triangle has legs with length $4x^{2}+3x + 2$ and base len…
B. $2(4x^{2}+3x + 2)+2$ C. $8x^{2}+6x + 6$
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given the graph, find mn. round to the nearest hundredth. distance form…
The length of $MN\approx4.47$ and $x = 18$.
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find angle gcd * do not put degree symbol if cd ⊥ ef, m∠ech=(x + 5)° an…
$x = 23$, $m\angle ECH=28$, $m\angle HCD = 62$
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ecuaciones lineales de tres pasos pregunta resolver para incógnita: - 5…
# Explicación: ## Paso 1: Sumar \(x\) a ambos lados de la ecuación. \(-5x - 7+x=-x - 35+x\) \(-4x-7=-35\) ## Paso 2: Sumar 7 a ambos lados de la ecuación. \(-4x-7 + 7=-35 + 7\) \(…
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do not put degree symbol if $overline{cd}perpoverline{ef}$, $mangle ech…
$x = 23$, $\angle ECH=28$, $\angle HCD=62$
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do not put degrees symbol if $overline{cd}perpoverline{ef}$, $mangle ec…
$x = 10$, $\angle ECH = 67$, $\angle HCD = 23$
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fill in the missing information. solve for x, and justify each step. 13…
For the first problem: $x = 28$. For the second problem: $x = 12$.
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solve for the value of y. answer attempt 1 out of 2 y =
11
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los puntos a, b y c son colineales. el punto b está entre a y c. halla …
22 pulgadas
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en geometría, un símbolo de \marca de verificación\ es un pequeño guión…
Verdadero
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question 9 what is the definition ofsymmetry? lack of organization in a…
Exact correspondence of form on opposite sides
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proportion word problems answer each question and round your answer to …
1. 5 2. 2 3. 3 4. 3 5. 4 6. 18 7. 8 8. 16 9. 10 10. 33
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find the area of this rectangle.
$96$ $ft^{2}$
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find rs 9 r q 3x + 2 x + 5 s
11
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unit 4 test write a rule to describe each transformation. 1) 2) graph t…
3. Rule: \((x,y)\to(x + 3,y + 1)\) 4. Rule: \((x,y)\to(x - 2,y-6)\) 5. New points: \(W'(-4,-1),V'(-3,3),U'(-1,3),T'(-2,0)\) 6. New points: \(E'(-1,0),D'(1,2),C'(4,-1)\)
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triángulo nop se forma uniéndo los puntos medios del lado del triángulo…
# Explicación: ## Paso 1: Aplicar el teorema de los triángulos semejantes Como el triángulo NOP se forma uniendo los puntos medios de los lados del triángulo KLM, los triángulos N…
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in the figure below, wx = 8 and xy = 13. find wy.
21
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in the figure below, st = 6 and sv = 11. find tv.
$5$
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triángulo rst se forma uniendo los puntos medios del lado del triángulo…
# Explicación: ## Paso 1: Aplicar el teorema de los puntos medios Según el teorema de los puntos medios en un triángulo, si un triángulo se forma uniendo los puntos medios de los …
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find the measure of the missing angles. answer attempt 1 out of 2 d = °…
d = 90°, e = 53°, f = 37°
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find the perimeter of the square. include the unit. 14 yd
56 yd
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complete this sentence with the best of the choices given. a scalene tr…
A. no
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find the perimeter of the rectangle. include the unit. 12 m 29 m
82 m
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find the perimeter of the rectangle. include the unit. 12 m 29 m
82 m
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value: 2 in the image below, 10 is the long leg of the 30 - 60 - 90 tri…
True
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arithmetic and algebra review perimeter of a square or a rectangle find…
100 cm
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value: 2 in the image below, $5\\sqrt{2}$ is a leg of the 45 - 45 - 90 …
True
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select the passage that has a more informative tone. the \standing - si…
The "standing - sitting dive" must be made from a good diving board. The diver stands at the edge of the board with his or her arms straight down. The hands should be at right ang…
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triángulo nop se forma uniendo los puntos medios del lado del triángulo…
# Explicación: ## Paso 1: Aplicar el teorema de los puntos medios Según el teorema de los puntos medios en triángulos, si un triángulo se forma uniendo los puntos medios de los la…
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solve for the short leg of the 30 - 60 - 90 triangle. 4 60° b o a. b = …
A. $b = 2$
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the function f(x) is to be graphed on a coordinate plane. f(x)=\begin{c…
B. $(0,0)$
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find the measure of the missing angles.
e = 37°, f = 53°
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value: 3 solve for the long - leg and for the hypotenuse of the 30 - 60…
B. $a = 20$ and $b=10\sqrt{3}$
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teorema de pitágoras (redondeo) pregunta calcula la longitud del tercer…
# Explicación: ## Paso 1: Aplicar el teorema de Pitágoras El teorema de Pitágoras para un triángulo rectángulo es $a^{2}+b^{2}=c^{2}$, donde $c$ es la hipotenusa (el lado más larg…
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teorema de pitágoras (redondeo) pregunta calcula la longitud del tercer…
15
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value: 3 solve for the other leg and for the hypotenuse of the 45 - 45 …
B. $u = 7\sqrt{2}$ and $v = 7$
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given: m∠1 + m∠3 = 180 prove: t || r 1. click here to insert 1. given 2…
1. $m\angle1 + m\angle3=180$ (Given) 2. $\angle1\cong\angle2$ (Pairs of vertical angles are congruent) 3. $m\angle2 + m\angle3 = 180$ (Substitution Property) 4. $\angle2$ and $\an…
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deltamath unit 1 practice exam due september 19 at 5:00 pm grade 4/10 p…
$10.3$
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unit 1 practice exam due september 19 at 8:00 pm grade 7n triángulo pqr…
# Explicación: ## Paso 1: Aplicar el teorema del segmento medio Según el teorema del segmento medio en un triángulo, el segmento que une los puntos medios de dos lados de un trián…
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calcula la longitud del tercer lado. si es necesario, redondea a la déc…
# Explicación: ## Paso 1: Aplicar el teorema de Pitágoras El teorema de Pitágoras para un triángulo rectángulo es $a^{2}+b^{2}=c^{2}$, donde $c$ es la hipotenusa (el lado más larg…
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triangle midsegment (numeric) triangle midsegment (algebraic) triangle …
# Explicación: ## Paso 1: Recordar la suma de ángulos internos de un triángulo La suma de los ángulos internos de un triángulo es 180°. En el triángulo KLM, tenemos los ángulos ∠K…
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given: m || n, n || q prove: m || q 4. click here to insert 4. transiti…
4. $m\parallel n,n\parallel q$ 5. Definition of congruence (or the fact that if two lines are parallel to the same line, they are parallel to each other which is based on the tran…
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world quest englands angles and saxons. answer the questions 1. how did…
1. They left behind oral traditions like *Beowulf*, which became key literary works. 2. Many core English words have Anglo - Saxon origins. 3. If Pope Gregory the Great, he sent m…
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unit 1 practice exam due september 19 at 8:00 pm grade 7% back to home …
# Explicación: ## Paso 1: Aplicar el teorema de los triángulos semejantes Como el triángulo NOP está formado por los puntos medios de los lados del triángulo KLM, entonces los tri…
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pregunta calcula la longitud del tercer lado. si es necesario, redondea…
$9.2$
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a path goes around a triangular park, as shown. 39 a. find the distance…
a. 224 b. 47 c. 1.8
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triángulo u vw se forma uniendo los puntos medios del lado del triángul…
# Explicación paso a paso: ## Paso 1: Aplicar el teorema de los triángulos semejantes Como U, V y W son puntos medios de los lados del triángulo RST, el triángulo UVW es semejante…
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calcula la longitud del tercer lado. si es necesario, redondea a la déc…
# Explicación: ## Paso 1: Aplicar el teorema de Pitágoras Sean $a = 11$, $c = 16$ y $b$ el lado desconocido. El teorema de Pitágoras es $c^{2}=a^{2}+b^{2}$, entonces $b^{2}=c^{2}-…
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the cylindrical tank inside a water heater has a diameter of 19.2 inche…
38.6
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triánguloqrss e forma uniendo los puntos medios del lado del triángulo …
# Explicación: ## Paso 1: Aplicar el teorema del segmento medio En un triángulo, el segmento que une los puntos medios de dos lados es paralelo al tercer lado y su longitud es la …
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big ideas math 29:00 total time a path goes around a triangular park, a…
a. 224 b. 47 c. 1.8
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question solve for x. round to the nearest tenth of a degree, if necess…
$45.6^{\circ}$
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teorema de pitágoras (redondeo) pregunta calcula la longitud del tercer…
# Explicación: ## Paso 1: Aplicar el Teorema de Pitágoras El Teorema de Pitágoras establece que en un triángulo rectángulo $a^{2}+b^{2}=c^{2}$, donde $c$ es la hipotenusa (el lado…
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find the surface area of a cylinder that has a radius of 12.1 ft and a …
2477.11 3455.43
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triángulo nop se forma uniéndo los puntos medios del lado del triángulo…
# Explicación: ## Paso 1: Aplicar el teorema de los puntos medios Según el teorema de los puntos medios en triángulos, si se unen los puntos medios de los lados de un triángulo, l…