Circle Area & Circumference
Pre-Algebra · Flashcards
PRE-ALGEBRA · FLASHCARDS
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QUESTION
What is the formula for the circumference of a circle?
QUESTION
Using
π
≈
3.14
\pi \approx 3.14
π
≈
3.14
, what is the area of a circle with radius 3 m?
QUESTION
What is the exact circumference of a circle with diameter 10 in?
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ANSWER
10
π
10\pi
10
π
inches, since
C
=
π
d
C = \pi d
C
=
π
d
.
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