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The perimeter of an isosceles triangl...

The perimeter of an isosceles triangle is equal to 14 cm and the lateral side is to the base in the ratio 5 : 4. The area of the triangle is (a) 21 cm2 (b) `0. 5sqrt(21)c m^2` (c) `1. 5sqrt(21)c m^2` (d) `2sqrt(21)c m^2`

A

`1/2 sqrt21 cm^2`

B

`3/2 sqrt21 cm^2`

C

`sqrt21 cm^2`

D

`2 sqrt21 cm^2`

Text Solution

Verified by Experts

The correct Answer is:
D
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