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Study
Circles!!
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What is the definition of area?
The space that fills a shape
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The distance around the circle is called the...?
Circumference
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The circumference is 21.98 ft, what is the diameter?
7 ft
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If the circumference of the circle is 18.84 meters, what is the radius?
3 meters
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What is the definition of circumference?
The distance around the circle
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The radius is 10 m, what is the area?
314 m
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How do you find the radius if you are given the diameter?
divide it in half
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How do you find the diameter if you are given the radius?
multiply times 2
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If the circumference is 62.8 m, what is the area?
314 square meters
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If the diameter is 23.5, what is the radius?
11.75
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If the diameter is 17 mm, what is the radius?
8.5 mm
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If the diameter is 6 in, what is the circumference?
18.84 in
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The radius is 14 ft, what is the area?
615.44 square feet
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What is the definition of radius?
the distance from the center to the edge of the circle
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If the diameter is 86, what is the area?
5805.86
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What is the formula for the circumference?
C=2 x pi x r or C=d x pi
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What is the diameter?
The distance across the whole circle through the center
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What is the formula for area?
pi x r^2 or pi x r x r
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