SSC CGL Model Paper 19

Question : 69 of 100

Marks: +1, -0

Each equal side of isosceles ΔABC is 4 cm more than its perpendicular drawn from vertex A. If base BC is 24 cm. Find perimeter of A.

Solution:

x^2 + 144

= x^ 2 + 16 + 8x

18 = 2 + x⇒x=16

Perimeter = 20 + 20 + 24 = 64 cm

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