the perimeter of a semi circle is 108. what is the perimeter of the square drawn on the diameter of the semicircle
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Answer:
Step-by-step explanation:
Circumference of a circle is 2πr.
Perimeter of a semicirle is πr+2r
22/7*r + 2r = 108.
(22r + 14r)/7 = 108
36r = 108*7
r = (108*7)/36
r = 3*7
r = 21cm.
Therefore, diameter = 42cm
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