幾何
三角形、円、座標幾何、証明問題。
-
a 3 - d printed model of a building has a corner at (2, 3, 4). the mode…
B. \((5,7.5,10)\)
-
in a theater, two spotlights are mounted at different positions. spotli…
7.07 meters
-
6. the formula for volume of a cylinder is ( v=pi r^{2} h ), where ( r …
\(\#1:50\); \(\#2:8\); \(\#3:20\); \(\#4:6\)
-
4. consider the diagram of a portable soccer goal. the black lines show…
57.6
-
to find the distance across a lake, a surveyor took the measurements in…
431
-
use a calculator to find the value of the acute angle \\( \\theta \\) i…
\(0.707\)
-
use the figure to evaluate ( a + b ), ( a - b ), and ( - a ). ( a + b =…
\(\langle - 4,3 angle\) (Wait, but maybe there is a miscalculation. Wait, let's re - extract the vectors correctly. Let's take the common vertex as \((0,0)\). Let's look at the co…
-
read the sentence from samuel johnsons preface to a dictionary of the e…
disentangled
-
3. noor can take two paths from her house to liams house. one path is d…
1 mile
-
2. a 13 - foot ladder leans on a wall as shown. what height does the la…
12.5
-
1. an 80 - inch tv has a height of 39.2 inches. what is the width of th…
69.7
-
14. is △abc congruent to △def? explain. for problems 15 and 16, use the…
Problem 15: $2^{11}$ Problem 16: $3^3$
-
for problems 6 - 9, state whether a triangle with the given side length…
6. Yes 7. No 8. No 9. Yes
-
use the figure to evaluate ( mathbf{a}+mathbf{b}, mathbf{a}-mathbf{b} )…
\(\langle 1, 7 angle\)
-
3.4 cw name 1. write a two - column proof: given: ( mangle3 = 62^{circ}…
1. | Statement | Reason | |--|--| | \(m\parallel n,m\angle3 = 62^{\circ}\) | Given | | \(m\angle4=m\angle3\) | Corresponding angles postulate | | \(m\angle4 = 62^{\circ}\) | Subst…
-
use the figure to evaluate ( a + b ), ( a - b ), and ( - a ).( a + b = …
\(\langle1,4 angle\)
-
write the vector $\\langle -7,12\ angle$ in the form $ai + bj$. $\\lang…
\(\langle - 7,12 angle=\boldsymbol{-7}i+\boldsymbol{12}j\)
-
given vectors u and v, find (a) 5u, (b) 5u + 4v, and (c) v - 4u. u = \\…
\( \langle 1, -28 angle \)
-
given vectors u and v, find (a) 5u, (b) 5u + 4v, and (c) v - 4u. u = \\…
\( \langle 46, 35 angle \)
-
given vectors u and v, find (a) 5u, (b) 5u + 4v, and (c) v - 4u. u = la…
\( \langle 10, 35 angle \)
-
find u + v - 5u. u = \\langle 7, - 3 \ angle and v = \\langle - 4,8 \ a…
\(\langle - 32,20 angle\)
-
given ( mathbf{u}=langle 5,6 angle ) and ( mathbf{v}=langle 4,6 angle )…
\(\langle 18, 12 angle\)
-
for the vector ( r=langle -5,-1 angle ), find ( -5r ). ( -5r=langlesqua…
\(\langle 25, 5 angle\)
-
evaluate a - b for a = (2,0), b = (4,4). a - b = ( , )
$\langle -2, -4 angle$
-
evaluate a - b for a = (2,0), b = (4,4). a - b = (□,□)
\(\langle -2, -4 angle\)
-
16. find the surface area of a cone with a radius of 45.7 mm and a heig…
The surface area of the cone is approximately \(15247.8\) \(mm^{2}\)
-
what is the ratio of triangles to stars? write your answer as a fractio…
1/5
-
2. use a paragraph, flow chart, or two - column proof to prove the angl…
$\angle XCY\cong\angle XBY$ is proved as above.
-
jordan is baking brownies and will choose to use either a round or a re…
A. The area of the bottom of the round pan is greater than the area of the bottom of the rectangular pan by about 8.5 square inches.
-
part 3: choose a proof method. 1. use a paragraph, flow chart, or two -…
Since $X$ is the mid - point of $\overline{WY}$ ($\overline{WX}\cong\overline{YX}$) and $\angle ZXW=\angle ZXY = 90^{\circ}$, $\overline{ZX}$ is the perpendicular bisector of $\ov…
-
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
-
1 a. find the surface area of this rec angular prism.
\(162\)
-
1. the congruency of \\( \\triangle mno \\) and \\( \\triangle xyz \\) …
By the Angle - Angle - Side (AAS) Congruence Theorem, \(\triangle MNO\cong\triangle XYZ\)
-
i) determine the angle(s), \\( \\theta \\), in the domain \\( - 360 ^ {…
i) For -81°: 279°; For 415°: 55° ii) For -81°: $\theta = -81^\circ + 360^\circ k$; For 415°: $\theta = 55^\circ + 360^\circ k$ (k ∈ ℤ)
-
triangles abc and def have the following characteristics: ∠b and ∠e are…
AAS
-
given: ∠ghd and ∠edh are right; (overline{gh}congoverline{ed}) which re…
\(\triangle GHD\cong\triangle EDH\) by \(SAS\)
-
given: ∠abr and ∠acr are right angles \\( \\overline { a b } \\cong \\o…
\(\angle BAR\cong\angle CAR\)
-
given: \\( \\angle xwu \\cong \\angle zvt; \\angle ztv \\cong \\angle x…
\(\triangle ZVT\cong\triangle XWU\) by \(ASA\) (the fourth option)
-
given: mq = nq; q is the midpoint of lp; lm ≅ pn which congruence theor…
SSS
-
two angles and the non - included side of one triangle are congruent to…
AAS
-
the measure of \\( \\angle ucb \\) can be the measure of \\( \\angle uc…
The measure of \(\angle UCB\) is \(106^{\circ}\)
-
which congruence theorem can be used to prove ( \triangle bda cong \tri…
SSS
-
which congruence theorem can be used to prove \\( \\triangle wxz \\cong…
A. AAS
-
the r can be calculated. 74 ° because ∠ucb the r and are
The first blank is \(\angle DRL\) and the second blank is “congruent”.
-
analyze the figure and the two - column proof. which statement/reason p…
9. \(\overline{FC}\cong\overline{EB}\); 9. Corresponding parts of congruent triangles are congruent (CPCTC)
-
the measure of ∠rcu can be calculated. the measure of ∠rcu is 106° beca…
The measure of \(\angle RCU\) is \(106^{\circ}\) because \(\angle RCU\) and \(\angle CRD\) are alternate - interior angles.
-
given: \\( \\angle tuw \\cong \\angle srw; \\overline{rs} \\cong \\over…
The first blank is \(SSS\) (Side - Side - Side congruence criterion) and the second blank is \(CPCTC\) (Corresponding Parts of Congruent Triangles are Congruent).
-
mikal is proving that ( overline{ae} cong overline{ce} ). which reason …
AAS
-
determine a series of transformations that would map figure s onto figu…
First, reflect Figure \(S\) over the \(y\) - axis. Then, translate the reflected figure \(10\) units down.
-
given: \\( \\overline { a b } \\cong \\overline { a e } ; \\overline { …
The first blank is filled with \(SAS\) (Side - Angle - Side), and the second blank is filled with \(AD\)
-
rowena is proving that \\( \\overline { a d } \\cong \\overline { e b }…
\(\triangle ACD\cong\triangle ECB\)
-
determine a series of transformations that would map figure s onto figu…
Reflect Figure \(S\) over the \(y\) - axis and then translate it 10 units down.
-
7. samira doit insérer une tige de 1 m de longueur dans un baril. en sa…
La hauteur minimale du baril est \( 60\ cm \)
-
analyzing triangle relationships analyze the diagram below. which state…
\(\overline{ST}\cong\overline{ST}\) by the reflexive property, \(\angle RWS\cong\angle UWT\) because they are vertical angles, \(\triangle RWS\cong\triangle UWT\) by AAS, \(\angle…
-
perimeter is a measure of the distance around a figure. if each side of…
B. 2.25 inches
-
which congruency theorem can be used to prove that \\( \\triangle ghl \…
ASA is incorrect. SSS (side - side - side) requires three pairs of equal sides. AAS (angle - angle - side) requires two angles and a non - included side. The correct congruency th…
-
analyzing triangle relationships which congruency theorem can be used t…
SAS
-
in the figure below, \\( \\overline{wu} \\cong \\overline{vt} \\). the …
HL
-
practice with congruency theorems and cpctc. which congruency theorem c…
SAS
-
en el diagrama a continuación,\\(\\overline{ra}\\)es paralelo a\\(\\ove…
\( 12 \)
-
es posible que necesites: calculadora encuentra la longitud de \\overli…
\( 17.5 \)
-
medios de dos lados de un triángulo es paralelo al tercerlado.seleccion…
B. En \(\triangle PQR\), si \(PS = SQ\) y \(PT = TR\), entonces \(\overline{ST}\parallel\overline{QR}\).
-
(1) the length of a rectangle is 10 cm. what is the width if the area i…
The width of the rectangle is \( 6 \, \text{cm} \).
-
1 \\( \\frac { e c } { a e } = \\frac { d b } { a d } \\) dado 2 \\( 1 …
# Explanation: ## Paso 1: Sumar fracciones $$\frac{AE + EC}{AE}=\frac{AD + DB}{AD}$$ ## Paso 2: Aplicar postulado de adición de segmentos Según el postulado de adición de segmento…
-
1 \\( \\frac { e c } { a e } = \\frac { d b } { a d } \\) dado 2 \\( 1 …
# Explanation: ## Paso 1: Sumar fracciones $$\frac{AE + EC}{AE}=\frac{AD + DB}{AD}$$ ## Paso 2: Aplicar postulado de adición de segmentos Como \(AC = AE + EC\) y \(AB=AD + DB\) (p…
-
william is painting the side of his house. he has 8 litres of paint and…
Yes, William has enough paint.
-
declaración razón 1 $\\frac{ec}{ae}=\\frac{db}{ad}$ dado 2 $1+\\frac{ec…
# Explanation: ## Paso 1: Sumar fracciones $$\frac{AE + EC}{AE}=\frac{AD + DB}{AD}$$ ## Paso 2: Aplicar postulado de adición de segmentos Según el postulado de adición de segmento…
-
en el siguiente triángulo, \\( \\frac { e c } { a e } = \\frac { d b } …
Se ha demostrado que \(\frac{AC}{AE}=\frac{AB}{AD}\) aplicando la propiedad de la proporción y simplificando.
-
the diagram shows a regular polygon. what is the value of x? write your…
\( 90 \)
-
the diagram shows a regular polygon. what is the value of x? write your…
90
-
triángulo△abces el resultado de la dilatación△abc acerca del puntocpor …
# Explicación: ## Paso 1: Propiedades de la dilatación La dilatación es una transformación que mantiene la dirección de los segmentos si el centro de dilatación es un extremo. En …
-
triángulo△abces la imagen de△abcbajo una dilatación con un factor de es…
4
-
△a′b′c′es la imagen de△abcbajo una dilatación cuyo centro espy el facto…
A.
-
triángulo△abces el resultado de la dilatación△abc acerca del punto a po…
Verdadero, Falso
-
pentágono abcdees la imagen del pentágono abcdebajo una dilatación con …
4
-
dibuja la imagen de \\( \\triangle a b c \\) bajo una dilatación cuyo c…
# Explicación: ## Paso 1: Encontrar la imagen de los vértices Para dilatar un punto \( X \) con centro \( P \) y factor de escala \( k = 3 \), se utiliza la fórmula \( X'=P + k(X …
-
the triangle ( ghi ) is a dilation of the triangle ( ghi ). what is the…
\( \frac{1}{5} \)
-
triángulo△abces el resultado de la dilatación△abc acerca del puntocpor …
# Explicación breve: - **Para $\overline{BC}$ y $\overline{B'C'}$**: En una dilatación, si el centro de dilatación es $C$, entonces $\overline{BC}$ y $\overline{B'C'}$ no pueden e…
-
the rectangle ( ghij ) is a dilation of the rectangle ( ghij ). what is…
$\frac{7}{3}$
-
the trapezoid ( mnop ) is a dilation of the trapezoid ( mnop ). what is…
2
-
the parallelogram ( mnop ) is a dilation of the parallelogram ( mnop ).…
4
-
the trapezoid ( hijk ) is a dilation of the trapezoid ( hijk ). what is…
4
-
dibuja la imagen de \\( \\triangle a b c \\) bajo una dilatación cuyo c…
# Explicación: ## Paso 1: Encontrar la distancia entre el centro \( P \) y cada vértice del triángulo \( \triangle ABC \) - Sea \( PA = 11.2 \), \( PB = 10.8 \), \( PC = 8.6 \) (s…
-
10 a farmer is going to fence in an area next to the barn into a rectan…
a) \( A(w) = -3w^2 + 165w \) b) Maximum area: 2268.75 square yards; width: 27.5 yards; length: 82.5 yards
-
read the excerpt from \clara bartons childhood.\ there was, directly in…
It was revered when it froze over.
-
select the correct answer from each drop - down menu. in the figure, th…
(for the area, as the ratio may have a typo but the area is 24): The area of polygon \( ABCDE \) is \(\boldsymbol{24}\) square units. For the perimeter ratio, rechecking: if recta…
-
select the correct answer from each dropdown menu. getting ready for a …
For one flag: 3 square feet. For five flags: 15 square feet. So the first dropdown is 3, the second is 15.
-
which explains whether (\triangle fgh) is congruent to (\triangle fjh)?…
They are not congruent because only two pairs of corresponding sides are congruent.
-
type the correct answer in each box. the diagram shows a garden plot. t…
To determine the area and perimeter of the trapezoidal garden plot, we analyze the coordinates of the vertices: ### Step 1: Identify Coordinates - \( A(4, 12) \) - \( B(16, 12) \)…
-
point h is the midpoint of side fk. for the triangles to be congruent b…
\(x = 6\), so the answer is \(6\).
-
the triangles are congruent by the sss congruence theorem. which transf…
translation, then reflection
-
the triangles are congruent by sss. which transformation(s) can be used…
reflection only, rotation, then translation
-
examine this figure. which two pieces of information, if true, would he…
Line \(MK\) is the perpendicular bisector of \(\overline{LN}\); \(\overline{ML}\cong\overline{MN}\)
-
type the correct answer in the box. use numerals instead of words. for …
18
-
the triangles are congruent by the sss congruence theorem. which rigid …
reflection, then translation
-
the triangles are congruent by sss or hl. which transformation(s) can m…
reflection, then translation
-
the triangles shown are congruent by the sss congruence theorem. the di…
rotation, then reflection, then translation
-
the triangles are congruent by sss or hl. the diagram shows the sequenc…
rotation, then reflection, then translation
-
ab ≅ bc and ad ≅ cd what additional information would make it immediate…
- For \(\triangle AXB\) and \(\triangle CXB\) using HL: \(\angle AXB=\angle CXB = 90^{\circ}\) - For \(\triangle AXD\) and \(\triangle CXD\) using SSS: \(AX\cong CX\)
-
what evidence from gilgamesh a new english version best supports the co…
The option "Enkidu saw his dismay and said, / 'Dear friend, great warrior, noble hero, / don't lose courage, remember this...'" (the fourth option, though partially visible, is th…