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motikmotik
3 years ago
9

The diameter of a circle is 4 feet. What is the circumference?

Mathematics
2 answers:
ELEN [110]3 years ago
7 0

Answer: 4π

Step-by-step explanation: C= 2πr; 2r=d; C=dπ; C=4π!

son4ous [18]3 years ago
6 0

Answer:

4π  ft

Step-by-step explanation:

C = 2πr  (Circumference formula for a circle)

diamater = 4, so  diamter = 2 x radius,  4 = 2 x r , so r = 2

Use formula:

C = 2π(2) = 4π

4π ft (Exact answer)

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