幾何
三角形、円、座標幾何、証明問題。
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10. the perimeter of the figure below is 30. find the missing side leng…
6
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9. clintons garden is 13.45 m long and 12 m wide. find the perimeter of…
50.9
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26. a circle in the standard (x,y) coordinate plane has center c(-1,2) …
H. $(-4,-2)$
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22. the length of a rectangle is 5 inches longer than the width. the pe…
# Explicación: ## Paso 1: Definir variables Sea $w$ el ancho del rectángulo. Entonces, el largo $l = w + 5$. ## Paso 2: Usar la fórmula del perímetro La fórmula para el perímetro …
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21. laura plans to paint the 8 - foot - high rectangular walls of her r…
# Explicación: ## Paso 1: Calcular el área de las dos paredes de 10 pies de ancho El área de un rectángulo es $A = ancho\timesalto$. Para las dos paredes de 10 pies de ancho y 8 p…
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20. in △def, the length of $overline{de}$ is $sqrt{30}$ inches, and the…
# Explicación: ## Paso 1: Analizar la información dada Solo se dan las longitudes de dos lados de un triángulo ($\overline{DE}=\sqrt{30}$ e $\overline{EF} = 3$), pero no se especi…
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19. the lengths of the 2 legs of right triangle △abc shown below are gi…
# Explicación: ## Paso 1: Encontrar la longitud de la hipotenusa \(AB\) Usamos el teorema de Pitágoras \(a^{2}+b^{2}=c^{2}\), donde \(a = 32\) e \(b=24\). Entonces \(AB=\sqrt{32^{…
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consider a triangle (abc) like the one below. suppose that (b = 27), (c…
$C = 42.4^{\circ},A = 101.6^{\circ},a = 45.2$ or $C = 137.6^{\circ},A = 6.4^{\circ},a = 5.2$
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use the given information to complete the proof of the following theore…
The reasons are as follows: 2. Corresponding - angles postulate 3. $C$; Reflexive property of congruence 4. AA similarity criterion 5. $DC$; Corresponding sides of similar triangl…
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the history of social media these days, americans hear the cultural buz…
D. There might be debate among experts about the origin of social media, but most everyday computer users consider ARPANET their first connection to social media.
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what lines are parallel? line rt and line sp line su & line so line pq …
line PS & line RQ
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name a line (just the letters)
$\overleftrightarrow{AC}$ (other valid answers could be $\overleftrightarrow{ED}$ etc.)
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name a line segment (just the letters)
AB
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solve for x if m is a midpoint.
$x = 14$
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teacher voice - as long as the conclusion of one conditional statement …
4) If it is raining today, then you can go to the mall after school. 5) You cannot use the Law of Syllogism to write a new conditional statement.
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name the image. ray rs rs line segment rs line rs
ray RS
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12) find ac if $overline{de}congoverline{bc}.$
$24$
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multiple - choice question select how you could set up an equation to f…
b + 35 = 90
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multiple - choice question what is the measure of angle a? 180 degrees.…
No answer can be determined as the figure is not described well enough to know which of the given angle measures is correct for angle 'a'.
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points a, b, c, and d are collinear and positioned in that order. solve…
$x=-11$
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multiple - choice question is this complementary or supplementary? 60° …
B. Complementary
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6. from unit 1, lesson 7 describe a rigid transformation that takes pol…
A translation 7 units to the right and 5 units down.
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a) only perpendicular bisectors b) only angle bisectors c) perpendicula…
C. 2 ### Question 14
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multiple - choice question what do we call angles that add up to 180 de…
B. Supplementary
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a pizza with a diameter of 24 inches is cut into 16 equal slices. to th…
C. 57 in²
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a tangent - tangent angle intercepts two arcs that measure 135° and 225…
D. 45°
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question 13 of 25 to the nearest hundredth, what is the area of a circl…
A. 28.27 square units
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in the diagram below, $odot p$ is circumscribed about quadrilateral $ab…
B. 78
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question 11 of 25. to the nearest square inch, what is the area of the …
D. 116 in²
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multiple - choice question what is the relationship between vertical an…
Vertical angles are across from each other and are the same measure.
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question 10 of 25 which line segment is a chord of ⊙e in the diagram be…
C. $\overline{CD}$
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question 9 of 25 if a circle is circumscribed about a triangle, the cen…
B. circumcenter
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question 8 of 25 if ∠abc measures 90°, what is the measure of ⌢ac? a. 2…
B. 90°
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question 7 of 25. if ∠def measures 70°, what is the measure of ⁀dgf?
B. 290°
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question 6 of 25 in the diagram below, m\\(\\widehat{ps}\\) = 60° and m…
C. 67°
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which of the following is the best definition of a circle? a. a plane f…
D. The collection of all points in a plane that are the same distance from a given point
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select the acute angle.
The first angle (top - most) shown in the question is the acute angle.
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lesson 9.2 inductive and deductive reasoning learning goal i can use in…
To sketch the next figure, add 9 squares in an L - shape around the fourth figure. The fifth figure will have a total of 1 + 3+5 + 7+9=25 squares arranged in an L - shape.
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determine if triangle ijk and triangle lmn are or are not similar, and,…
are
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word problems, similar triangles (level 1) this is the only question in…
$13.70$ meters
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find the value of x. 1) (3x + 16)° 110° x = 2) 85° (4x - 5)° x = 3) 136…
1) \(x = 18\) 2) \(x = 25\) 3) \(x = 31\) 4) \(x = 6\) 5) \(x = 3\) 6) \(x = 52\) 7) \(x = 20\) 8) \(x = 74\)
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graph the image of △jkl after a translation 5 units right and 7 units u…
Graph the new triangle $\triangle{J'K'L'}$ with vertices obtained by translating the vertices of $\triangle{JKL}$ 5 units right and 7 units up. (Since the original coordinates of …
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angle addition postulate & segment addition postulate date 1) find m∠lm…
1. \(m\angle LMN = 167^{\circ}\) 2. \(x=-9\) 3. \(m\angle LMT = 95^{\circ}\) 4. The length of \(QR\) is 1 5. \(x = 7\)
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2. find the volume of a rectangle - based pyramid with a base 8 in by 6…
80
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lesson 2: drilling for understanding 1. find the volume of a square pyr…
$48$ $cm^3$
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7. a customer comes to pick up some washed rock from als landscaping bu…
a. $2.6$ m³ b. Diameter: $1.5$ m, Height: $1.5$ m. The volume of a cone is one - third of the volume of a cylinder with the same radius and height. So if we want 3 equal - volume …
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segment ae shown has length $sqrt{20}$. which segment is closest in len…
B. $\overline{AC}$
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hs math claim 1 - target a (ccss n - rn 1, 2) dok 2 question: segment a…
Segments $AC$ or $CE$ (assuming equal - length sub - segments between $A$ and $E$)
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kimberly wants to paint all the surfaces of the table shown below. whic…
C. the surface area of 1 rectangular prism and 4 cylinders
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5. als business sells landscaping supplies and materials. at inventory …
a. (Since this is text - based response and drawing is not possible here, the description of the diagram would be: Draw a cone. Label the vertical height of the cone as $h = 4$ m …
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which similarity theorem can be used to prove that the triangles are co…
SSS, SAS, AA (Note: AA similarity alone does not prove congruence without additional information about side - lengths, but in the context of similarity theorems in general, it is …
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4. find the height of a cone with a radius of 4 ft and a volume of 1005…
60 ft
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d: volume and capacity chapter 8 practice 3. if the volume of a cone is…
$10\ m$
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2. find the volume of a cone to the nearest cm³ with a diameter of 6 cm…
$38$ $cm^{3}$
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chapter 8 practice: volume and capacity of cones, pyramids, and spheres…
75 cubic inches
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let θ be an angle in quadrant iii such that tan θ = 4/5. find the exact…
$\cos\theta=-\frac{3}{5}$, $\csc\theta=-\frac{5}{4}$
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15. cynthia has leftovers in a rectangular casserole dish that measures…
a. 96 cubic inches b. 5 inches
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each circle is labeled with its radius. find the diameter of each circl…
For the circle with radius 1.75 in, the diameter is 3.5 in; for the circle with radius 78 in, the diameter is 156 in; for the circle with radius 14 in, the diameter is 28 in.
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solve the right triangle. round your answers to the nearest tenth.
$A = 43^{\circ}$, $a\approx18.2$, $c\approx24.9$
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struct arguments determine whether each statement is always, sometimes,…
sometimes; coplanar
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what is the value of b? b = □°
$88$
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solve for x in the triangle. round your answer to the nearest tenth.
$11.5$
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construct arguments determine whether each statement is always, sometim…
Sometimes. Justification: In a two - dimensional plane, two lines perpendicular to the same line are parallel. But in three - dimensional space, two lines perpendicular to the sam…
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d. if the box originally had 5000 staples and jacques estimated that he…
13. The width of the rectangular prism is $2.5$ ft. 14. a. Step 5 b. The student incorrectly took the square - root of $7.07355$ in². The correct value of $r$ is $r = \sqrt{7.0735…
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each circle is labeled with its radius. find the diameter of each circl…
The diameters are 2.8 in, 1.56 in, and 3.5 in.
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examine the graph. what is the location of point q? © 2017 strongmind. …
(-2,3)
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select the correct answer. which equation represents the vertical line …
C. $x = 14$
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find sinθ, cscθ, and cotθ, where θ is the angle shown in the figure. gi…
$\sin\theta=\frac{7}{8}$, $\csc\theta=\frac{8}{7}$, $\cot\theta=\frac{\sqrt{15}}{7}$
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examine the graph. what is the location of point r?
(-4,-2)
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a right triangle has side lengths 9, 40, and 41 as shown below. use the…
$\sin X=\frac{9}{41}$, $\tan X=\frac{9}{40}$, $\cos X=\frac{40}{41}$
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a bug is located at the point (4, 0) at time t = 0 and crawls at the ra…
$x(11)\approx - 1.63$, $y(11)\approx3.65$, time to return to $(4,0)$ is $t\approx1.05$ minutes
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use the circle below to answer the questions. the length of line segmen…
24
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look at this diagram: if $overleftrightarrow{hj}$ and $overleftrightarr…
$132$
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the length of segment ac is centimeters.
6
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look at this diagram: if $overleftrightarrow{bd}$ and $overleftrightarr…
$54$
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the length of segment ac is □ centimeters.
12
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look at this diagram: if $overleftrightarrow{su}$ and $overleftrightarr…
$139$
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what is the measure of central angle aob to the nearest tenth of a degr…
$98.2$
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look at this diagram: if $overleftrightarrow{hj}$ and $overleftrightarr…
$116$
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the movement of the progress bar may be uneven because questions can be…
$\sqrt{3}$
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look at this diagram: if $overleftrightarrow{km}$ and $overleftrightarr…
$126$
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formula sheet (you may tear this page out.) general formula for volume …
10. 375 cm³ 11. 28 in³
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look at this diagram: if $overleftrightarrow{fh}$ and $overleftrightarr…
$119$
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the diagram shows a triangle. what is the value of s? s =
$91$
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the diagram shows a triangle. what is the value of s? s =
$91$
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look at this diagram: if $overleftrightarrow{eg}$ and $overleftrightarr…
$123$
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8. which of the following referents is most appropriate to represent a …
8. C. Sugar cube 9. To estimate the area of a tabletop.
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what are the x - values when y = -8 for this function?
The x - values are approximately - 1 and 7.
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look at this diagram: if $overleftrightarrow{np}$ and $overleftrightarr…
$113$
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look at this diagram: if $overleftrightarrow{jl}$ and $overleftrightarr…
$59$
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look at this diagram: if (overrightarrow{gi}) and (overrightarrow{jl}) …
$46$
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look at this diagram: if $overleftrightarrow{fh}$ and $overleftrightarr…
$121$
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a 10 - foot pole is supporting a tent and has a rope attached to the to…
\(\frac{9}{\cos35^{\circ}}\approx11.0\) feet
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look at this diagram: if $overleftrightarrow{gi}$ and $overleftrightarr…
$66$
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rectangle efgh has the ordered pairs e(-2, 2), f(0, 2), g(0, -2), and h…
$E'(-6,6)$ $F'(0,6)$ $G'(0,-6)$ $H'(-6,-6)$
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what is the value of y to the nearest hundredth? 10 48° y 14.94 11.11 6…
6.69
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use the following image to answer question 5. 5. using the picture of t…
a. 11.40 cm b. 12.60 cm c. 15.00 cm
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use the circle below to answer the questions. the length of line segmen…
30
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a 25 - foot - long footbridge has two diagonal supports that meet in th…
$29.6$
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use the circle below to answer the questions. the length of line segmen…
6