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G - Unit 7 - Lesson 8-13 review
By Kristin Joy
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Last updated about 4 years ago
11 questions
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G.C.1
G.C.5
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G.C.5
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Question 6
6.
A circle has radius 3 centimeters. Suppose an arc on the circle has length 4\pi centimeters.
What is the measure of the central angle whose radii define the arc?
Question 7
7.
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Question 8
8.
Find the area of the sector. (use keyboard and NO units)
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Question 1
1.
What is the scale factor?
Question 2
2.
What is the length of the highlighted arc in circle A? (use keyboard and NO units)
Question 3
3.
What is the length of the highlighted arc in circle B? (use keyboard and NO units)
Question 4
4.
What is the ratio of the arc lengths?
Question 5
5.
Match each arc length and radius with the measure of the central angle that defines the arc.
arc length 3\pi cm, radius 18 cm
angle: 30 degrees
arc length 9\pi cm, radius 12 cm
angle: 72 degrees
arc length 5\pi cm, radius 5 cm
angle: 135 degrees
arc length 4\pi cm, radius 10 cm
angle: 180 degrees
Question 9
9.
Find the area of the sector. (use keyboard and NO units)
Question 10
10.
Find the area of the sector. (use keyboard and NO units)
Question 11
11.
Find the area of the sector. (use keyboard and NO units)
How does the ratio of the arc length compare to the scale factor?
ratio of arc length less than scale factor
ratio of arc length more than scale factor
they are equal
no relationship