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SAT Prep
N/A
5
Mathematics
9th Grade
11/27/2012
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Cards

Term

What is the area of a circle with a circumference of 2π?

a.) 2

b.) π

c.) 1

d.) 2π

 Definition
b.) π
Term
What is the length of an arc with a 120° angle and a radius of 5?
 Definition
10.4
Term
What is the area of a sector with a 20° angle and a radius of 6?
 Definition
6.28
Term

What is the area of a circle with a circumference of 31.4? (use 3.14 for π)

a) 25π

b) 5π

c) 10π

d) 10

 Definition
a) 25π
Term

Find the circumference of a circle with an area of 3025π.

a) 55π

b) 55

c) 110

d) 110π

 Definition
d) 110π
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