perimeter of a circle is 132cm find the area of the circle
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the area of circle is =13684.78
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perimeter of circle=2×pie×r
132=2×22/7×r
r=132×7/22×2
r=21 cm
area of circle =pie×r^2
=22/7×21×21
=22×3×21
=1386 cm^2
132=2×22/7×r
r=132×7/22×2
r=21 cm
area of circle =pie×r^2
=22/7×21×21
=22×3×21
=1386 cm^2
Sarth45:
because I have done products orally
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