幾何
三角形、圓、解析幾何與證明題。
-
complete the proof that $overleftrightarrow{su}paralleloverleftrightarr…
3. Transitive Property of Congruence
-
7 calculate the altitude ah in the triangle below. 8 given the endpoint…
7번 문제: $\frac{18}{\sqrt{26}}$ 8번 문제: $\frac{21}{\sqrt{41}}$ 9번 문제: $\frac{11}{\sqrt{10}}$ 10번 문제: $\frac{17}{5}$
-
a rectangle has an area of $k^{2}+19k + 60$ square inches. if the value…
The width of the rectangle is \(k + 4\) inches.
-
1. complete the square box problem.
$14.7$
-
complete the proof that (mangle utw + mangle twx = 180^{circ}). stateme…
Substitution Property of Equality
-
graph a line that is parallel to the given line. determine the slope of…
The slope of the given line and the parallel line is - 1.
-
∠wvx and ∠qst are supplementary. complete the proof that $overleftright…
Corresponding - angles postulate
-
draw the image of △abc under a translation by 2 units down.
Plot points \(A'(2,-6)\), \(B'(0,-7)\), \(C'(6,0)\) and connect them to get the image of \(\triangle ABC\) under the given translation.
-
solve for x: 8x + 207° 6x 185 x =
\(x =-\frac{16}{7}\)
-
9. in the standard (x,y) coordinate plane, what is the midpoint of the …
# Explicación: ## Paso 1: Aplicar fórmula para la coordenada x del punto medio La fórmula para la coordenada x del punto medio de un segmento de recta con extremos \((x_1,y_1)\) y…
-
solve for x: 1 / 6 vertical angles are congruent to each other! + get a…
\(-14\)
-
7. in parallelogram abcd below, $overline{ac}$ is a diagonal, the measu…
# Explicación: ## Paso1: Recordar propiedades de paralelogramos En un paralelogramo, ángulos opuestos son iguales y la suma de ángulos adyacentes es 180°. Además, en un triángulo,…
-
draw the image of quadrilateral abcd under a translation by 1 unit to t…
Plot points $(1,2),(-5,4),(-4,7),(3,4)$ and connect them.
-
write the equation in standard form of a circle with center (-2,7), tan…
$(x + 2)^2+(y - 7)^2=4$
-
write the equation in standard form for a circle with center (-6,7) and…
$(x + 6)^2+(y - 7)^2=49$
-
l is in the interior of ∠jkm. find each of the following 7. if m∠jkl = …
7. $70^{\circ}$ 8. $26.1^{\circ}$ 9. $25^{\circ}$ 10. $56^{\circ}$ 11. $84^{\circ}$
-
find the standard form of the equation of the circle with endpoints of …
$(x - 3)^2+(y - 5)^2=37$
-
solve for x: 7x + 156° 9x + 184° x =
$-10$
-
the center of a circle and a point on the circle are given. write the e…
$(x - 3)^2+(y - 2)^2=53$
-
if: $kl = 2x + 2$, $jl = 55$, and $jk = 7x + 8$, find $kl$.
12
-
draw the image of △abc under the translation (x,y)→(x - 6,y - 7).
Plot points \(A'(-2,-3)\), \(B'(1,-7)\), \(C'(-4,-5)\) and draw \(\triangle A'B'C'\)
-
1 calculate the distance from the point a(-3,2) to the line y = 2x + 1.…
1. $\frac{7\sqrt{5}}{5}$ 2. $\frac{3\sqrt{2}}{2}$ 3. $\frac{4}{5}$ 4. $\sqrt{5}$ 5. $\frac{6\sqrt{5}}{5}$ 6. $\frac{18\sqrt{13}}{13}$
-
solve. then graph. write the solution set using both set - builder nota…
C. The solution set is $\{t|t < - 8\}$. The solution set in interval - notation is $(-\infty,-8)$. The graph of the solution set is B. (A number - line with an open circle at - 8 …
-
if: jk = 7x + 9, jl = 114, and kl = 9x + 9, find kl.
63
-
if: cj = 8x + 5, ct = 55, and jt = 4x + 2, find jt.
18
-
in the diagram, gh bisects ∠fgi. a. solve for x and find m∠fgh. b. find…
a. $x = 7$ b. $m\angle HGI = 31^{\circ}$ c. $m\angle FGI = 62^{\circ}$
-
14 the following angles are vertical angles. find the value of y. (p.g.…
$13$
-
8. calculate the area of each shape. show your work and label your answ…
a) The area of the triangle is $217.5$. b) The area of the trapezoid is $270$.
-
1 represent y ≥ 5 on the number line.
On the given number - line, place a closed - circle at 5 and shade the number - line to the right of 5.
-
write the standard form of the equation of the circle described below. …
$x^{2}+(y - 2)^2 = 37$
-
12. which types of transformations do not change the shape of a graph? …
Transformations that do not change the shape of a graph: Translations, reflections, rotations. Reason: They are rigid - motions preserving distances and angles. Transformations th…
-
classify angle g in the figure as right, straight, acute, or obtuse. fo…
# Explicación: ## Paso 1: Recordar definiciones de ángulos Un ángulo agudo mide menos de 90 grados, un ángulo recto mide exactamente 90 grados, un ángulo obtuso mide más de 90 gra…
-
12 angles rst and rsv while angle tsu forms a vertical - angle pair wit…
Angles RST and RSV are adjacent; while angle TSU forms a vertical angle pair with angle RSV.
-
12. an equilateral triangle has sides ab = 2x + 5 and bc=-y + 9. (equil…
\(y=-2x + 4\)
-
classify angle g in the figure as right, straight, acute, or obtuse. fo…
# Explicación: ## Paso 1: Recordar definiciones de ángulos Un ángulo agudo mide menos de 90 grados, un ángulo recto mide exactamente 90 grados, un ángulo obtuso mide más de 90 gra…
-
represent in < 3 on the number line.
Draw an open - circle at 3 on the number line and shade the part of the number line to the left of 3.
-
∠cah = 180° is ∠cah acute, right, straight, or obtuse? acute straight r…
# Explicación: ## Paso 1: Definir tipos de ángulos Un ángulo agudo mide menos de 90°. Un ángulo recto mide exactamente 90°. Un ángulo obtuso mide más de 90° pero menos de 180°. Un…
-
six equilateral triangles are connected to create a regular hexagon. th…
A. $6(4a^{2}-3)$
-
5. each triangle is equilateral. is the relationship between the perime…
Yes, the relationship between the perimeter and the side length of equilateral triangles is proportional because the perimeter $P$ of an equilateral triangle is given by the formu…
-
1 represent y ≥ 5 on the number line.
Draw a number line, mark a closed - circle at 5 and draw an arrow to the right of 5.
-
write the standard equation of ⊙p shown to the right. the standard form…
$(x - 2)^2+(y - 6)^2=4$
-
point q(3, 2) is the image of q(6, 4) under a translation. determine th…
A translation by 3 units to the left and 2 units down.
-
in the figure below, b is between a and c, and c is between b and d. if…
16
-
in the figure below, c is between a and d, and b is the mid - point of …
$19$
-
talia is playing with a plastic hoop that she spins around her waist. t…
rotation.
-
quadrilateral abcd is the image of quadrilateral abcd under a translati…
A translation by 1 unit right and 6 units up.
-
10. the area of a trapezoid is found by finding the product of one - ha…
For the trapezoid, \(b_2=\frac{2A}{h}-b_1\); for the triangle, \(b=\frac{2A}{h}\)
-
△efg is rotated 90 degrees (clockwise) to create △xyz. which of the fol…
C. $\angle E\cong\angle X$
-
point a(2, 3) is the image of a(3, -4) under a translation. determine t…
A translation by 1 unit to the left and 7 units up.
-
which graph demonstrates a transformation that preserves both distance …
Transformations that preserve both distance and angle - measure are called rigid - motions. Examples of rigid - motions include translations, rotations, and reflections. In the gi…
-
5. in the circle, one \piece of pie\ is not labeled. what is the size o…
$\frac{4}{15}$
-
which rigid transformation could be defined as a turn around a center p…
B. a rotation
-
write the standard equation of the circle with center (-5, -9) and r = …
\((x + 5)^2+(y + 9)^2=7\)
-
this image could be used to help create a definition for which of the f…
D. reflection
-
multiply the decimal numbers together. choose the correct answer. 1. 0.…
## Activity 1 1. a. 0.72 2. b. 0.0050 3. a. 0.15 4. c. 2.40 ## Activity 2 1. $0.75\times0.8 = 0.6$ 2. $0.029\times0.01 = 0.00029$ 3. $0.54\times0.7 = 0.378$ 4. $0.25\times0.4 = 0.…
-
parallel lines a and b, when cut by transversal, l form eight angles, a…
1. $m\angle1 = 72^{\circ}$ 2. $m\angle5 = 72^{\circ}$ 3. $m\angle2 = 108^{\circ}$ 4. $m\angle6 = 108^{\circ}$ 5. $m\angle3 = 155^{\circ}$ 6. $m\angle7 = 155^{\circ}$ 7. $m\angle4 …
-
parallel lines a and b, when cut by transversal l, form eight angles, a…
1. $m\angle1 = 72^{\circ}$ 2. $m\angle5 = 72^{\circ}$ 3. $m\angle2 = 108^{\circ}$ 4. $m\angle6 = 108^{\circ}$ 5. $m\angle3 = 108^{\circ}$ 6. $m\angle7 = 108^{\circ}$ 7. $m\angle4 …
-
for exercises 6 - 8, use the diagram to determine the measures of the g…
6. $m\angle BFC = 40^{\circ}$ 7. $m\angle GFA = 0^{\circ}$ 8. $m\angle EFD = 90^{\circ}$
-
for exercises 3 - 5, use the diagram to determine the measures of the g…
3. \(m\angle EAM = 62^{\circ}\) 4. \(m\angle MAS = 62^{\circ}\) 5. \(m\angle TAE = 118^{\circ}\)
-
7 a point p = (3, 5) is 2/3 of the way along segment ab from point b. i…
7번 문제: $A=(\frac{3}{2},4)$ 8번 문제: $\frac{3}{5}$ 9번 문제: $P=(25,15)$ 10번 문제: $x_m=\frac{x_1+x_2}{2}$, $y_m=\frac{y_1+y_2}{2}$가 유도됨.
-
activity 1 multiply the decimal numbers together. choose the correct an…
(a) 0.72 2.
-
do you understand? 1. essential question how are proportional quantitie…
No, because the ratios $\frac{y}{x}$ are not equal for all pairs of $x$ and $y$ values in the table. ### 5.
-
write the standard form of the equation of the circle of radius r = 7 a…
\(x^{2}+y^{2}=49\)
-
kat is painting the edge of a triangular stage prop with reflective ora…
40 feet
-
find the perimeter. simplify your answer. 1 b - 4 b - 4 1
$2b - 6$
-
4. in each quadrilateral, calculate the length of gh to the nearest ten…
$14.0$ cm
-
11. a student wanted to know the distance between two particular carvin…
$6.3$ m
-
complementary angles are two angles that have measures with a sum of 90…
The measure of angle $Q$ is $28^{\circ}$ and the measure of angle $P$ is $62^{\circ}$.
-
trazar un ángulo de 140° utilizando la regla y el transportador.
Se ha trazado un ángulo de 140° siguiendo los pasos anteriores.
-
what is the side length of a square whose area is 64 square inches? ent…
8
-
when viewing this aerial shot from the angle it is aligned, what type o…
Diagonal
-
en la siguiente figura, s está entre q y t, y r es el punto medio de (o…
$20$
-
find the missing side
36
-
en la siguiente figura, f está entre e y g, y g está entre f y h. si fh…
$8$
-
¿cuáles de los pares de figuras a continuación son congruentes? ¿congru…
Primer par: Sí Segundo par: No Tercer par: No Cuarto par: No
-
solve the problem. show your work. carmelita fills a box as shown below…
$36$ $cm^{3}$
-
what is the missing length?
50
-
a^{2}+b^{2}=c^{2} a = 9 b = 40 c = 65 c = 25 c = 41 c = 5
C. $c = 41$
-
a = 2.1, b = 7.2, c = 7.5. is this a right triangle?
Yes
-
find the midpoint of the line segment joining points a and b. a(-4,6); …
$(-4,-\frac{1}{2})$
-
instead of using cubic units to measure volume, cristobal wants to meas…
The volume of the rectangular prism is the number of boxes of pencils that can fit inside it.
-
en la figura siguiente, m∠1 = 47°. hallar m∠2, m∠3 y m∠4.
m∠2 = 133° m∠3 = 47° m∠4 = 133°
-
which of the following statements is not true? choose the incorrect sta…
C. It is possible for the distance between two points to be negative
-
en la figura siguiente, m∠3 = 142°. hallar m∠1, m∠2 y m∠4.
$m\angle1 = 142^{\circ}$ $m\angle2 = 38^{\circ}$ $m\angle4 = 38^{\circ}$
-
find the y - coordinates of the points that are 5 units away from the p…
0,6
-
find the distance d(a,b) between points a and b. a(1, - 2), b(-1, - 6) …
$2\sqrt{5}$
-
1. add a layer to box d and compare the volume of the new box d to the …
Box E has a greater volume. Because the volume of Box D after adding a layer is 30 unit - cubes and the volume of Box E is 36 unit - cubes.
-
find the distance d(a,b) between points a and b. a(5,3); b(-2,-1) d(a,b…
$\sqrt{65}$
-
el diámetro d de una esfera es 12.6 m. calcular el área de superficie, …
$498.5$ m²
-
find the distance d(a,b) between points a and b. a(13,8); b(-2,28) d(a,…
$25$
-
read the passage from sugar changed the world. if you walked down beekm…
"Africans who sold other Africans as slaves insisted on being paid in fabric from India"
-
calcular el área de superficie de un cilindro cuya base tiene un diámet…
# Explicación: ## Paso 1: Encontrar el radio del cilindro El diámetro $d = 6$ ft, entonces el radio $r=\frac{d}{2}=\frac{6}{2}=3$ ft. ## Paso 2: Calcular el área de las bases El á…
-
a line segment has a midpoint of (3, 1/2). if one endpoint is (5,4), wh…
$(1,-3)$
-
hallar el área de superficie de un cilindro cuya base tiene un radio de…
# Explicación: ## Paso 1: Calcular el área de las bases El área de una base circular de un cilindro se calcula con la fórmula $A_{base}=\pi r^{2}$. Dado que $r = 3$ cm y $\pi=3.14…
-
you start at (-2, -1). you move down 4 units. where do you end?
$(-2,-5)$
-
find the midpoint of the line segment joining points a and b. a(0,3); b…
$(-1,\frac{13}{4})$
-
geometry unit 1 test review lessons 1.5 - 1.7: angle addition postulate…
1. $\angle ABD$ 2. Rays $\overrightarrow{BC}$ and $\overrightarrow{BE}$ 3. Acute angle (assuming its measure is between $0^{\circ}$ and $90^{\circ}$) 4. Straight angle (assuming i…
-
you start at (1, -3). you move up 8 units. where do you end?
$(1,5)$
-
un prisma triangular y su red se muestran a continuación. la parte supe…
# Explicación: ## Paso1: Identificar longitudes laterales Observando la figura, $A = 5$ cm, $B = 7$ cm, $C = 12$ cm, $D = 13$ cm. ## Paso2: Calcular área lateral El prisma triangu…
-
you start at (-3, -3). you move left 2 units. where do you end?
(-5,-3)