Find the perimeter of a semi circular protracters is 66cm. find the diameter of the protractor.
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Answered by
2
Diameter =42
πr=66
r=66*7/22
r=21
therefore d=r*2
=42
πr=66
r=66*7/22
r=21
therefore d=r*2
=42
reveldater:
your answer is wrong
you took a wrong formula to find out the circumference of semi circle
no its correct
Answered by
2
it was a simple question
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