The circumference of a semicircle is 144 m. find the radius of the semicircle
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2πr/2=144/2
πr=72
r=72×7 /22
r=36×7/11
r=252/11
πr=72
r=72×7 /22
r=36×7/11
r=252/11
anish1801:
Bro Circumference of a Semicircle isn't the half of a Circle!! It also consists the Diameter!!
Answered by
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Circumference of circle = 2πr
Circumference of a semicircle = πr + r
Hence, πr + 2r = 144
=> r = 28
Circumference of a semicircle = πr + r
Hence, πr + 2r = 144
=> r = 28
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