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The area of a circular plate is 154 cm^2. Find its circumference.

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The area of a circular plate is 154 cm2. Find its circumference.

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Given :

Area of circular = 154 cm2

Lei radius of plate i.s r cm, then

πr2 = 154

Circumference of circular plate = 2πr

= 2 × \(\frac { 22 }{ 7 }\) × 7

= 44 cm

Thus, Circumference of circular plate = 44 cm

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