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A pentagon is formed by cutting a triang...

A pentagon is formed by cutting a triangular corner from a rectangular piece of paper. The five sides of the pentagon have length `13, 19, 20, 25 and 31` not necessarily in that order. The area of the pentagon is

A

459 sq. units

B

600 sq. units

C

680 sq. units

D

745 sq. units

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The correct Answer is:
(d)
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