Find the radius of the area of a circle if its circumference is 187 cm.,
10. Find the radius and the circumference of a circle whose area is 144πcm square
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Answer:
1.: Circle
Solve for radius
r≈29.76
c=2πr
=187
Area =144 ×π
πr2=144π
r2=144
r=12unit
and circumference=2πr
=2π×12
=24π.
=24×22/7
=528/7 unit
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