area of cricle with length of diameter 4×cm?(take π=3.14)
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Answer:
area - 3.14 *radius^2
radius = 4/2=2
ans- 12.56
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d=2×r
2×4
d= 8
area of circe = 2πr^
= 2×3.14 × 8 ×8
401.92
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