几何
三角形、圆、解析几何与证明题。
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what is the surface area of this rectangular prism? 8 ft. 15 ft. 8 ft. …
608
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what is the surface area of this triangular prism? 17 cm 15 cm 17 cm 16…
840
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36. in the diagram, m∠agc = 38°, m∠cgd = 71°, and m∠fgc = 147°. find ea…
a. \(m\angle AGB = 38^{\circ}\) b. \(m\angle DGF = 76^{\circ}\) c. \(m\angle AGF = 185^{\circ}\) d. \(m\angle BGD = 71^{\circ}\)
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which equation represents the rectangular form of r = 4cos(θ)? (x - 2)^…
A. $(x - 2)^2 + y^2=4$
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geometry use the triangle shown. perimeter = 42 feet a. write a formula…
a. $P=a + b + c$ b. $b=P - a - c$ c. $15$
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15. find the values of x and y. (18y + 5)° (10x - 61)° (x + 10)°
\(x=\frac{71}{9}\), \(y = \frac{85}{18}\)
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sa = strongly agree a = agree d = disagree sd = strongly disagree direc…
1. D. Disagree, Rationale: Some problems like ethical ones aren't tech - solvable and tech can create new issues. 2. D. Disagree, Rationale: Some individuals may be unfit to be pa…
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36. in the diagram, (mangle agc = 38^{circ}), (mangle cgd = 71^{circ}),…
a. \(m\angle AGB = 142^{\circ}\) b. \(m\angle DGF = 76^{\circ}\) c. \(m\angle AGF = 185^{\circ}\) d. \(m\angle BGD = 109^{\circ}\) 37. The minute hand and hour hand of a clock for…
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surface area = ____ 16 ft 14 ft 5 ft 3 in
$595.2$ square feet
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which diagram is a net for the cube? what is the surface area of the cu…
The first diagram is a net for the cube. The surface area of the cube is 5400 square centimeters.
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a cube is shown below. 30 cm 30 cm 30 cm which diagram is a net for the…
The first diagram (the one with 6 congruent 30 - cm by 30 - cm squares arranged correctly)
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17. in the figure, $abcdcong efgh$. write congruence statements for eac…
a. \(\angle A\cong\angle E\), \(\angle B\cong\angle F\), \(\angle C\cong\angle G\), \(\angle D\cong\angle H\) b. \(AB\cong EF\), \(BC\cong FG\), \(CD\cong GH\), \(DA\cong HE\)
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given a circle with a central - angle, ∠ros, and an intercepted arc $ov…
$90^{\circ}$
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throughout the practice, you can use the following online calculators: …
F
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11. ∠1 and ∠2 are vertical angles. if (mangle1=(17x + 1)^{circ}) and (m…
(11) Equation: \(17x + 1=20x - 14\); \(x = 5\); \(m\angle2 = 86^{\circ}\) (12) Equation: \((3x + 3)+(10x - 4)=90\); \(x = 7\); \(m\angle K = 24^{\circ}\); \(m\angle L = 66^{\circ}…
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3 mm 2 mm 5 mm which diagram is a net for this prism? what is the surfa…
62
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develop vocabulary in informational text, authors use words that are sp…
- bristle: Feathers can have bristle - like structures for sensory functions. - contour: Contour feathers are important for flight and body shape. - system: Feather classification…
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16. use the diagram to complete each congruence statement. (overline{pr…
$\overline{PR}\cong\overline{RU}$ $\angle RUV\cong\angle PQS$ $\overline{SR}\cong\overline{TV}$
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given: circle a with a radius of 24 inches, and circle b with a radius …
1. Proportional 2. 3 3. 3
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find h. first we must set up our equation using the pythagorean theorem…
$h = 3\sqrt{17}\text{ cm}\approx12.37$ cm
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7. find the missing measure. 8. find the missing measure. 9. find the m…
(7) \(x = 20\) (8) \(x = 51\) (9) \(x = 73\), \(y = 107\), \(z = 73\) (10) Equation: \((5x + 9)+(3x + 11)=180\); \(x = 20\); \(m\angle1 = 109^{\circ}\); \(m\angle2 = 71^{\circ}\)
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find the length of “b” using the pythagorean theorem.
32
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square roots and the pythagorean theorer vectored instruction find the …
50
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complete the proof to show that all circles are similar. given: ⊙a has …
Both circles have the same shape. \(\odot A\) maps to \(\odot B\) using transformations that must include a **dilation**. We can map the circles to each other using only **similar…
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find the length of a. hint : a² + b² = c² round your answer to the near…
$5.3$ m
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find the length of “c” using the pythagorean theorem.
13
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8. an elevator rises steadily up a skyscraper. after 4 s it is 33 m abo…
C. $y - 33=7(x - 4)$ ### 9.
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circle t has a radius of 18 units and undergoes a dilation with a scale…
The dilation reduced the size of circle \(T\), making the radius of circle \(U\) smaller than the radius of circle \(T\).
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4. if (mangle rst=(12x - 1)^{circ}), (mangle rsu=(9x - 15)^{circ}), and…
(17) \(m\angle RST=m\angle RSU + m\angle UST\); \(12x - 1=(9x - 15)+53\) (18) \(x = 13\) (19) \(m\angle RST = 155^{\circ}\) (20) \(m\angle RSU = 102^{\circ}\)
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circle r has a radius of 5 units and undergoes a dilation to form circl…
B. Circle $S$ is three times the size of circle $R$. D. The scale factor of the dilation from circle $R$ to circle $S$ is 3.
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35. classify the angles that result from bisecting each type of angle. …
a. Acute angle b. Acute angle c. Acute angle d. Right angle
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circle a has a radius of 8 inches. it then undergoes a dilation with a …
1
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square roots and the pythagorean theorem vectored instruction find the …
$10.6$
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find the length of \b\ using the pythagorean theorem.
32
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2. if (mangle mkl = 83^{circ}), (mangle jkl = 127^{circ}), and (mangle …
(11) \(m\angle JKL=m\angle JKM + m\angle MKL\), so \(127=(9x - 10)+83\) (12) \(x = 6\) (13) \(m\angle EFG=m\angle EFH + m\angle HFG\), so \(18x + 11=(5x + 1)+62\) (14) \(x = 4\) (…
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details use the keypad to enter your answers in the boxes. express your…
The scale factor from circle $M$ to circle $N$ is $\frac{1}{8}$. The scale factor from circle $N$ to circle $M$ is $8$.
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the cold waters reaching up to her ankles, the thought of a strange man…
A. hopeless
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calculate the distance between the points m=(6, 0) and p=(-2, 7) in the…
$10.63$
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calculate the distance between the points a = (-4, -1) and h = (1, 4) i…
$7.07$
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calculate the distance between the points m = (-9, 9) and p = (-5, 2) i…
$8.06$
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find the coordinates of point p along the directed line segment ab, fro…
\((2.8,-1)\)
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decide whether there is enough information to prove m||n. if so, state …
No cannot
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are $overleftrightarrow{ac}$ and $overleftrightarrow{df}$ parallel? exp…
yes; By the Linear Pair Postulate, $m\angle BEF = 143^{\circ}$. So, $\overleftrightarrow{AC}$ and $\overleftrightarrow{DF}$ are parallel by the Corresponding Angles Converse.
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find the value of x that makes m || n. (180 - x)° x° x =
\(90\)
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bd bisects ∠abc. find m∠abd, m∠cbd, and m∠abc. 31. a (6x + 14)° d b (3x…
1. **For problem 31**: - Since \(\overrightarrow{BD}\) bisects \(\angle ABC\), then \(m\angle ABD=m\angle CBD\). - # Explanation: - ## Step1: Set up the equation - Because \(m\ang…
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fh bisects ∠efg. find the indicated angle measures. (see example 5.) 27…
### 27. # Explanation: ## Step1: Definition of angle - bisector [SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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(a) how does the authors development of the brothers relationship help …
Part A: B Part B: C, D, E
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write the standard equation of the circle with center (-4, -2) and r = …
$(x + 4)^2+(y + 2)^2=3$
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3. use the protractor to find the measures of the following angles. a. …
a. m∠BAC = 40° b. m∠CAD = 70° c. m∠BAD = 110° d. m∠EAD = 70°
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find the value of x that makes m || n. x =
\(20\)
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a 33 - m tall building casts a shadow. the distance from the top of the…
$16.7$
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you will read and analyze a short story and a passage from another shor…
Part A: B. The townspeople eagerly await George's departure, and he is glad to be seeing new adventure elsewhere. Part B: B. "Even Will Henderson, who was lazy and often slept unt…
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angle = \\frac{1}{2}bh he actual base and height of line? = 8 ft t = 10…
40 square feet
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use the inequality $-\frac{1}{2}y+\frac{1}{3}leq-\frac{1}{3}(y + 12)$ t…
8. $y\geq13$ 9. $\{y|y\geq13,y\in\mathbb{R}\}$ 10. Draw a closed circle at 13 on the number - line and an arrow to the right.
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in the cube shown below, which lines are skew? qr and kl mq and op nr a…
$\overrightarrow{NR}$ and $\overrightarrow{LP}$
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in the rectangular prism shown below, which lines are parallel? select …
$\overleftrightarrow{HK}$ and $\overleftrightarrow{IJ}$, $\overleftrightarrow{HL}$ and $\overleftrightarrow{IM}$, $\overleftrightarrow{IJ}$ and $\overleftrightarrow{LO}$, $\overle…
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an oil tank has to be drained for maintenance. the tank is shaped like …
$4$
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a = \\frac{1}{2}bh what are the actual base and height of the trampolin…
$60$
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given: two parallel lines intersected by a transversal. solve for x. fi…
\(x = 2\), and the measure of both angles \((56 - 5x)^{\circ}\) and \((62 - 8x)^{\circ}\) is \(46^{\circ}\)
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a = \\frac{1}{2}bh what are the actual base and height of the trampolin…
Actual base = 10 ft Actual height = 12 ft
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look at this diagram: if $overleftrightarrow{hj}$ and $overleftrightarr…
$56.6$
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find the value of x that makes m || n. 135° (2x + 15)° m n x =
$x = 60$
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look at this diagram: if $overleftrightarrow{oq}$ and $overleftrightarr…
$112.4$
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look at this diagram: if $overleftrightarrow{fh}$ and $overleftrightarr…
$67$
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what number can you multiply each length in the scale drawing by to fin…
$72$ $ft^{2}$
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answer each question below. are figure a and figure b congruent? yes no…
Are Figure A and Figure B congruent? Yes Which transformation will map Figure A onto Figure B exactly? Translate Figure A up 5 units Are Figure C and Figure D congruent? Yes Which…
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look at this diagram: if $overleftrightarrow{gi}$ and $overleftrightarr…
$139.9$
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owns an indoor trampoline park. the scale drawing shows a new trampolin…
Actual length = 12 ft Actual width = 6 ft
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what number can you multiply each length in the scale drawing by to fin…
3
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in the coordinate plane, the points x(-2, 7), y(-1, -8), and z(10, -6) …
$X'(2,7)$ $Y'(1,-8)$ $Z'(-10,-6)$
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abcd is a square. what is the length of line segment dc? a x + 6 b 2x -…
13 units
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look at this diagram: if $overleftrightarrow{fh}$ and $overleftrightarr…
$59.3$
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rhombus lmno is shown with its diagonals. the length of ln is 28 centim…
14 cm
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1. abcd is a parallelogram 1. given 2. ∠amb, ∠bmc, ∠cmd, and ∠dma are r…
\(\triangle AMB\cong\triangle CMB\cong\triangle CMD\cong\triangle AMD\)
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look at this diagram: if $overleftrightarrow{df}$ and $overleftrightarr…
$128$
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mark on the figures the measurements for the missing angles. 7. fghj is…
**For rectangle FGHJ (angles in the first figure)**: $\angle1 = 27^{\circ}$, $\angle2 = 27^{\circ}$, $\angle3 = 63^{\circ}$, $\angle4 = 54^{\circ}$, $\angle5 = 126^{\circ}$, $\ang…
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2. if m∠mkl = 83°, m∠jkl = 127°, and m∠jkm=(9x - 10)°, find the value o…
\(x = 6\)
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a rectangle has a width of 9 units and a length of 40 units. what is th…
C. 41 units
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look at this diagram: if $overleftrightarrow{km}$ and $overleftrightarr…
$67.6$
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look at this diagram: if df and gi are parallel lines and m∠feh = 114°,…
$114$
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a rectangle has a width of 8 units and a length of 10 units. what is th…
$17$ units
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look at this diagram: if $overleftrightarrow{np}$ and $overleftrightarr…
$59$
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the figure shown is a rhombus. which equation is true regarding the ang…
\(x + y=z\)
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look at this diagram: if rt and uw are parallel lines and m∠tsv = 58.7°…
$121.3$
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rectangle pqrs is shown with its diagonals, pr and qs. what type of tri…
isosceles triangle
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the two triangles below are similar. also, m∠s = 15° and m∠r = 105° as …
\(m\angle D = 105^{\circ}\) \(m\angle E = 15^{\circ}\) \(m\angle F = 60^{\circ}\)
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a has a map that shows the lengths of some hiking trails. the scale is …
1. The number to multiply each distance by is $50000$. 2. The actual length of the picnic area trail is $4.5$ km.
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look at this diagram: if oq and rt are parallel lines and m∠opn = 42°, …
$42$
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the figure is a parallelogram. one diagonal measures 28 units. is the f…
No, it is not a rectangle because the sides of the parallelogram do not meet at right angles.
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look at this diagram: if $overleftrightarrow{km}$ and $overleftrightarr…
$60$
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1. use the diagram below to complete each part. a) name the vertex of ∠…
a) B b) $\overrightarrow{BA}$, $\overrightarrow{BC}$ c) ∠EBD d) ∠FBC: right angle; ∠EBF: obtuse angle; ∠ABC: straight angle e) $\overrightarrow{BD}$ f) 144° g) 27°
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look at this diagram: if $overleftrightarrow{ln}$ and $overleftrightarr…
$47.8$
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a square - stained glass window is divided into four congruent triangul…
54.0 inches
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what number can you multiply each distance in the scale drawing by to f…
$0.5$
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in each part, dilate the solid figure exactly onto the dashed figure. i…
First part: Possible Second part: Not possible
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look at this diagram: if $overleftrightarrow{hj}$ and $overleftrightarr…
$131$
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look at this diagram: if ik and ln are parallel lines and m∠lmj = 126°,…
$54$
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what are the scale factor and center of the dilation? simplify your ans…
scale factor: \(2\) center of the dilation: \((0,0)\)
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look at this diagram: if $overleftrightarrow{ln}$ and $overleftrightarr…
$61$
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calculate the distance between the points f = (-8, 8) and c = (-2, 1) i…
$\sqrt{85}$