Discussion of Question with ID = 016 under Areas

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Question

The diagonal and one side of a rectangle are 10 m and 8 m. What is the perimeter of the rectangle?

A

28 m.

B

30 m.

C

26 m.

D

32 m.

Soln.
Ans: a

The side = $√{10^2 - 8^2}$ = $√{100 - 64}$ = 6. So the perimeter = 2 × (8 + 6) = 28 m.


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