The circumference of semi-circular piece of design is 72 cm.
Find its area.
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Answered by
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Answer:
1648 .14
Step-by-step explanation:
circumference 72cm
c = πr
72 = 22/7xr
72x7/22 = r
22.90 = r
ar = π(rxr)
= 22÷7x22.90x22.90
=22x22.9x22.9÷7
=1648.14(cmxcm)
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