what is the area of the circle whose radious is the diagonal of square whose area is 4 cm square
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Area of square = d square/2 (d = diagonal )
4 = d square/2
8 = d square
d = root 8
area of circle = pie r square
= 22/7 * root 8 square
=22/7 * 8
=176/7
=29.3333
4 = d square/2
8 = d square
d = root 8
area of circle = pie r square
= 22/7 * root 8 square
=22/7 * 8
=176/7
=29.3333
Mathexpert:
Instead of radius, you have considered diameter to find the area of the circle.
that was root 8square
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as area of circle = π
nd the diagonal of square formula = √2a
we know that side =2
so the diagonal =2√2
and the formula of circle =πr²
substitute and ans is 25.12
nd the diagonal of square formula = √2a
we know that side =2
so the diagonal =2√2
and the formula of circle =πr²
substitute and ans is 25.12
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