2 years ago

The circumference of a circle with a diameter 1.8cm take pie to be 3.142

Mathematics

1 answer:

Gennadij [26K]2 years ago

4 0

The formula to get the circumference is 2πr, π being pi and r being your radius.

Your r is 0.9 since the radius is half the diameter.

2πr = 2 x 3.142 x 0.9

= 5.6556cm

≈ 5.7cm

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