3 years ago

Calculate the length of the circumference of a circle with radius of 2.8cm

2 answers:

6 0

Hello. D= 2×r D=2×2,8 D=5,6cm. Circumference= $\pi$ × D ; C= 3,14×5,6 C=17,584cm. I hope to have helped you.

5 0

(let pi be 22/7)
2 x 2.8 x 22/7 
44 x 0.4 
Answer 17.6cm

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