幾何
三角形、圓、解析幾何與證明題。
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question 6 of 10 in the diagram below, ⊙p is circumscribed about quadri…
# Explanation: ## Step1: Recall the property of a cyclic quadrilateral Opposite angles of a cyclic quadrilateral are supplementary, i.e., they add up to 180°. Angle B and angle D …
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true or false? a circle could be circumscribed about the quadrilateral …
B. False
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true or false? a circle could be circumscribed about the quadrilateral …
A. True
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in the diagram below, ⊙o is circumscribed about quadrilateral defg. wha…
A. 61°
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create the equation of a circle centered at (2, - 1) with a radius 4.
$(x - 2)^2+(y + 1)^2=16$
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lesson check 4. nai puts 3 oranges on each tray. how many oranges does …
# Explanation: ## Paso 1: Calcular el número de naranjas Multiplicamos el número de naranjas por bandeja (3) por el número de bandejas (5). $3\times5 = 15$ ## Paso 2: Calcular el …
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the correct names vertical angles corresponding angles right angles alt…
- Primera imagen: Ángulos verticales - Segunda imagen: Ángulos correspondientes - Tercera imagen: Ángulos rectos - Cuarta imagen: Ángulos internos alternos
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what is the approximate area of the circle shown below? a. 72 cm² b. 16…
B. $1662$ $cm^{2}$
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triangle qrs is similar to triangle xyz, as shown. which trigonometric …
C. tan(R)
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the circle shown below has a diameter of 12 centimeters. what is the ap…
D. $97$ $cm^{2}$
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a ball is in the shape of a sphere. a string is wrapped tightly around …
278.98
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what is the approximate area of the circle shown below? 14 cm c a. 616 …
C. $154$ $cm^{2}$
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what is the approximate area of the shaded sector in the circle shown b…
C. 13.1 in²
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right triangle egf is shown. what is the exact area, in square units, o…
24
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△jkl ~ △fgh. find the values of x and y.
$x = 9$, $y = 12$
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abc is reflected across the line y = x then translated up 5 units to be…
5 unidades
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given the 2 shapes are congruent, describe sequence of transformations …
# Explicación paso a paso: ## Paso 1: Identificar la traslación Observando la ubicación relativa de las dos figuras, vemos que una se debe mover horizontalmente y verticalmente pa…
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tia maps a circular path on a coordinate plane with a fountain at the c…
(8, 10)
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what is the approximate circumference of the circle shown below? a. 22 …
C. 44 cm
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given abcd is a abcd, describe a sequence of rigid motions that maps ab…
# Explicación: ## Paso 1: Analizar la rotación Observando la ubicación y orientación de los triángulos, vemos que se ha dado una rotación de 180° alrededor del origen para cambiar…
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the circumference of ⊙z is 84 cm. what is the length of ⌢xy (the minor …
C. 21 cm
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there are two triangles, △qrs and △tuv. the coordinates of △qrs are q(6…
# Explicación: ## Paso 1: Analizar la traducción Comparar coordenadas de vértices. Si trasladamos $\triangle QRS$ 6 unidades a la izquierda y 4 unidades hacia abajo, se mueve el t…
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choose the option that best completes each statement. based on the diag…
Segment $\overline{AC}$ is congruent to segment $\overline{JL}$, Segment $\overline{ML}$ is congruent to segment $\overline{BC}$, Segment $\overline{BA}$ is congruent to segment $…
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given abc is a triangle, describe a pair of rigid motions that maps tri…
# Explicación: ## Paso 1: Analizar la reflexión Observando la ubicación de los triángulos, la primera transformación es una reflexión sobre el eje - y. Esto invierte la coordenada…
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the circumference of ⊙z is 104 cm. what is the length of ⁀xy (the minor…
B. 13 cm
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on a graph label all points to describe the motions which map △efg to △…
# Explicación: ## Paso 1: Analizar la traducción La descripción menciona un movimiento de traslación. Una traslación es un movimiento rígido en el que todos los puntos del objeto …
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choose the option that best completes each statement. based on the diag…
# Explicación: ## Paso 1: Identificar segmentos congruentes por el diagrama Observamos que en los triángulos, los segmentos con el mismo número de rayas son congruentes. Sabemos q…
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the length of ⌢de (the minor arc) is 22 cm. what is the circumference o…
C. 528 cm
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a figure is shown, where lines l and m are parallel. create an expressi…
$4x$
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question name the marked angle in 2 different ways. answer attempt 1 ou…
$\angle Y$, $\angle XYZ$
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what is the approximate circumference of the circle shown below? 15.5 c…
A. 97.3 cm
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choose the option that best completes each statement. based on the diag…
Segment $\overline{AC}$ is congruent to segment $\overline{JL}$ Segment $\overline{ML}$ is congruent to segment $\overline{BC}$ Segment $\overline{BA}$ is congruent to segment $\o…
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part a select the correct congruence criteria that applies to these tri…
# Explicación: ## Paso 1: Identificar los elementos dados Observamos que en los triángulos hay un par de lados iguales (segmentos marcados con una raya) y dos pares de ángulos igu…
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in the diagram below, what is the approximate length of the minor arc $…
D. 28.3 cm
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ezra is making a tray of macaroni and cheese for dinner. he melts 18 ou…
The inequality is $c < 18$. To graph it, plot an open - circle at 18 on the number line (because 18 is not included in the solution set, as it's $c < 18$ not $c\leq18$) and draw a…
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question name the marked angle in 2 different ways. answer attempt 1 ou…
$\angle L$, $\angle ILK$
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△jkl ~ △fgh. find the values of x and y.
$x = 9$, $y = 12$
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m, p, and z represent the lengths of the three sides of this right - tr…
B. \(m^{2}=p^{2}+z^{2}\), C. \(m^{2}=z^{2}+p^{2}\), E. \(z^{2}+p^{2}=m^{2}\), F. \(p^{2}+z^{2}=m^{2}\)
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4. the following two right triangles are similar.if side de = 45, side …
24
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3. true or false, the following two triangles are congruent by hl. true…
false
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determine if the triangles are similar. if so, state the postulate or t…
The triangles $\triangle AEB$ and $\triangle DEC$ are similar by the Side - Angle - Side (SAS) similarity theorem.
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what is the missing statement that will show that the following two tri…
EF≅GI
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a circle has an area of 78.5 square units. enter the area, in square un…
3.925
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1. assuming the following two triangles are congruent, solve for x if b…
$x = 10$
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determine which triangles are similar. a. 74° 81° b. 81° 24° c. 74° 25°
Triangles a and c are similar.
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in the figure below, m∠2 = 35°. find m∠1.
$55$
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4. which of the following statements is true about the congruent triang…
$\overline{AC}\cong\overline{EF}$
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in the figure below, m∠1 = 143°. find m∠2.
$37$
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in the figure below, m∠2 = 143°. find m∠1.
$37$
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3. true or false, the two triangles are congruent by sss. false true
false
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18 a quadrilateral has vertices at (1, 1) and (9, 9). it is reflected o…
No se puede proporcionar una respuesta numérica concreta ya que se pide utilizar una herramienta de dibujo (Connect Line tool) que no se puede ejecutar aquí. Pero se pueden descri…
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2. true or false, the two triangles are congruent by asa. true false
false
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8. the perimeter of the triangle shown is 17x units. the dimensions of …
\(17x = 30+7x\)
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1. true or false, the two triangles are congruent by sss.
false
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score: 0/1 penalty: none question click and drag the yellow circle in a…
Drag the yellow circle to create an angle between $16^{\circ}$ and $36^{\circ}$ in the counter - clockwise direction.
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4. classify the following angle. straight acute right obtuse
C. right
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what is the value, in feet, of h? h =
75
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3. classify the following triangle based on its angles. acute obtuse sc…
Right
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2. true or false, the following two triangles are congruent.
False
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1. classify the following triangle based on its sides. isosceles scalen…
equilateral
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the midpoint of $overline{ab}$ is $m(6, - 3)$. if the coordinates of $a…
$(5,-2)$
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triangle cda is shown. create an expression in terms of x that represen…
$\frac{1}{2}x^{2}(1 + \sqrt{3})$
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a segment has endpoints p(-5,0) and q(3,8). point m is the midpoint of …
$- 3$
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question find the midpoint of the segment with the following endpoints.…
$(-3,8.5)$
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a point (2,3) is rotated 90° counterclockwise around the origin. its ne…
A. (-3,2)
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circle l is shown, where m∠klm = 120°. the circumference of circle l is…
$6.0\pi \approx 18.8$
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solve for x.
10
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solve for x. k (78 - x)° o m p n (84 - 3x)° x = submit
$3$
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solve for x. (58 - 7x)° (54 - 3x)° x =
\(1\)
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solve for x.
$x = 5$
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lesson practice problems 1. large cheese pizzas cost $5 each and large …
1. $T = 5c + 6d$ 2. A. $m = 12(15)$ C. $4n = c$ E. $b = 2(3)+3(4.50)$
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what shape is made if the slopes of the sides of a quadrilateral are $\…
C. parallelogram
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solve for x. (6x + 11)° 77° x =
$11$
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solve for x.
$11$
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linda creates a circle with a center at (5,7). she wants the center of …
$a = 13 - 5$ $b = 17 - 7$
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a hexagon is rotated 120° clockwise about its center. which of the foll…
The hexagon turns around the center and maintains its shape
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how many points are needed to determine a line? * 1 2 3 4
B. 2
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graph the horizontal or vertical line y = 2. use the graphing tool to g…
Draw a horizontal line passing through the point $(0,2)$ on the $y$-axis. All points on this line have a $y$-coordinate of 2 regardless of the $x$-coordinate.
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which of the following is a rotation? * flipping a figure over the x - …
Turning a figure around a fixed point
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question find the midpoint of points a(7,0) and b(-1,-7) graphically. p…
$(3,-3.5)$
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which of the following transformations is a reflection? * rotating a fi…
Flipping a figure over a line
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a right triangle is rotated 270° clockwise around the origin. this is e…
90° counterclockwise
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solve for x. (4x + 38)° 118° x =
$6$
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an angle that measures exactly 180° is: * acute right obtuse straight
D. straight
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solve for x. (8x + 11)° 73° x =
$7.75$
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solve for x.
$9$
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an angle that measures less than 90° is: * right acute obtuse straight
B. acute
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translation moves a figure: * 1 point over a line of symmetry to a diff…
To a different location without rotating or flipping it
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two opposite angles formed by intersecting lines are: * 1 point adjacen…
B. Vertical
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a rectangular area is to be fenced in along a straight river bank as il…
The width of the fenced - in area is 30 feet and the length is 35 feet.
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which is an example of deductive reasoning? * all squares are rectangle…
All squares are rectangles. ABCD is a square. Therefore, ABCD is a rectangle.
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a polygon that has at least one diagonal outside the figure is: * 1 po …
C. Concave
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characterize the slope of the line in the graph. a. zero b. undefined c…
C. Negative
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triangle vwx is a right triangle. match each trigonometric expression w…
- $\cos(V)=\frac{15}{17}$ - $\cos(W)=\frac{8}{17}$ - $\sin(V)=\frac{8}{17}$ - $\sin(W)=\frac{15}{17}$ - $\tan(V)=\frac{8}{15}$
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a square with a vertex at (-3,2) is translated 5 units left and 2 units…
B. (-8,0)
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a gardener has 85 feet of fencing to be used to enclose a rectangular g…
(b) Length of the garden is 23.0 feet. (c) Dimensions of the square - shaped garden are approximately 16.2 feet by 16.2 feet. (d) Area of the square garden is approximately 262.4 …
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solve for c # 3 set up an equation that can be used to solve for the mi…
$c\approx10.3$
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a gardener has 85 feet of fencing to be used to enclose a rectangular g…
The width of the garden in part (a) is 11.5 feet. The length of the garden in part (a) is 23.0 feet. The area of the garden in part (b) is 264.5 square feet. The length and width …
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a gardener has 85 feet of fencing to be used to enclose a rectangular g…
(a) Length: 23.0 feet, Width: 11.5 feet (b) 264.5 square feet (c) Length: 23.0 feet, Width: 11.5 feet
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in the inscribed quadrilateral qrst, m∠q = 92° and m∠r = 76°. what is t…
104°