If the curved surface area of cylinder of height is 8 cm is 512square cm then find its base area
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CSA = base perimeter × height
512 = base perimeter × 8
base perimeter = 512 /8
= 64 cm
2(pi)(radius) = 64
2× 22/7 × r = 64
r = 64 × 7 / 2× 22
r = 10.18 cm
base area = pi (r²)
= 22/7 × (10.18)²
= 22/7 × 103.63
= 325.694
= 325.7 cm ²
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