Samabueno123 Samabueno123

Today at 12:05 AM
Mathematics

Answered

If the diameter of a circle is 9 cm, then its circumference is 56.52 cm.

True or false?

Answer :

Kunchan Kunchan

Today at 12:10 AM

circumference
2*pi*r
2*(22/7)*(9/2)
2*(11/7)*9
198 / 7
28.28 cm

so 56.52 is not correct

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