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The perimeter of a triangle is 30 cm and...

The perimeter of a triangle is 30 cm and the circumference of its incircle is 88 cm. The area of the triangle is
(A) `70 cm^2` (B) `140cm^2` (C) `210 cm ^2` (D) `420 cm^2`

A

D

B

A

C

B

D

C

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