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Circumference of a circle is 44 cm. Find the radius and area of triangle. (π = 22/7).

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Circumference of a circle is 44 cm. Find the radius and area of triangle. (π = 22/7).

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Let radius of cirlce r cm

Circumference of circle = 44

⇒ 2πr = 44

⇒ 2 x 22/7 x r = 44

r = (44 x 7)/(22 x 7) = 7 cm

∴ Area of circle = πr2

= 22/7 x 7 x 7 

= 22 x 7

= 154 sq. cm

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