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A circle has a diameter of 8 m. what is the circumference? use 3.14 for pie
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16 votes
A circle has a diameter of 8 m. what is the circumference? use 3.14 for pie

User Simaofreitas
by
5.0k points

2 Answers

4 votes
Answer: 25.12 m

Explanation:

d = 8 m
r = 8/2 = 4 m
π = 3.14

Circumference = 2πr

Therefore,
= 2πr
= 2 * π * r
= 2 * 3.14 * 4
= 6.28 * 4
= 25.12 m

Circumference = 25.12 m
User Domakas
by
4.8k points
12 votes
radius = half of diameter
radius = 4m

circumference of a circle = 2πr
circumference = 2(3.14)(4)
circumference = 25.12
User Tom Tanner
by
4.6k points
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