find the circumference of a circle each of whose area is 1386cm^2
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22/7 × r^2 = 1386
r^2 = 1386 × 7 / 22
r^2 = 441
r = 21 cm
circumference = 2× 22/7 × 21
= 132 cm
Hope this helps u
r^2 = 1386 × 7 / 22
r^2 = 441
r = 21 cm
circumference = 2× 22/7 × 21
= 132 cm
Hope this helps u
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