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2 years ago

Find the circumference Please help

History

2 answers:

natali 33 [55]2 years ago

6 0

Answer:

area = 147 cm²

circumference = 42 cm

Explanation:

area of a circle = $\pi$ r²

$\pi$ is 3
r is 7 cm

area = 3 × 7²

= 49 × 3

<u>= 147 cm²</u>

circumference of a circle = 2 $\pi$ r

circumference = 2 × 3 × 7

<u>= 42 cm</u>

rewona [7]2 years ago

4 0

147 is the circumference.

since the directions say to use 3 as pi, and we know that the radius is 7, we can say that

3 times 7^2 = A, which is 147

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