AnswersVolchWCA 3230 Geometry 4th Nine Weeks 25-26Introduction to Circles

Introduction to Circles Answers

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Analyze the diagram below and complete the instructions that follow. Analyze the diagram below and complete the instructions that follow. A semicircular archway is built in front of a garden using 8 congruent granite tiles, as shown in the diagram. Find the area of one of the tiles. Round the answer to the nearest tenth. A. B. C. D. Please select the best answer from the choices provided

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A
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B
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C
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D
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Analyze the diagram below and complete the instructions that follow.The circumference of one of the smaller circles is . Find the circumference of the larger circle. A. B. C. D. Please select the best answer from the choices provided

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A
B
B
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C
D
D
3

Analyze the diagram below and complete the instructions that follow. Analyze the diagram below and complete the instructions that follow. Identify a tangent to the circle. A. B. C. D. Please select the best answer from the choices provided

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A
B
B
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C
D
D
4

Analyze the diagram below and answer the question that follows.In the circles shown above, and . Which shaded region has a larger area?

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A
The area of the shaded region in is larger.
B
The area of the shaded region in is larger.
C
The areas of the shaded regions are equal.
D
Which region is larger cannot be determined without the lengths of the radii of the circles.
5

Analyze the image below and answer the question that follows. Photo by Beatrice MurchAn inchworm ran into a log while on his way to the raspberry patch. The diameter of the log is 32 cm. How far did the inchworm travel while on the log? Round your answer to the nearest centimeter.

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A
36 cm
B
41 cm
C
50 cm
D
100 cm
6

Which of the following statements is true?

A
A radius is always a chord.
B
A tangent is always a secant.
C
A diameter is always a chord.
D
A chord is always a diameter.
7

Find the circumference of a circle whose area is . A. B. C. D. Please select the best answer from the choices provided

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A
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B
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C
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D
8

Analyze the diagram below and complete the instructions that follow.The area of one of the smaller circles is 8 in². Find the area of the shaded region.

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A
in.²
B
4 in.²
C
8 in.²
D
16 in.²
9

The area of is m². Find the circumference of .

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m
B
m
C
m
D
m
10

Analyze the diagram below and complete the instructions that follow. Analyze the diagram below and complete the instructions that follow. Name one segment that is tangent to . A. B. C. D. Please select the best answer from the choices provided

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A
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B
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C
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D

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