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Q.. If the radius of a circle is 21 cm, Then find its area.
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Answered by
5
given the radius of the circle = 21cm
hence, it's area = πr²
= 22/7 × 21 × 21
= 22 × 3 × 21
= 1386cm²
Answered by
2
radius = 21cm
area of circle = πr sq.
= 3.14*21 sq. = 65.94 sq.
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