NIMCET 2017 Question Paper with solutions

Question : 109 of 120

Marks: +1, -0

What is the largest area of an isosceles triangle with two edges of length 3?

Solution:

Area of Δ ABC =

1/2

(AB) (AC) sin A
=

1/2

× 3 × 3 sin θ =

9/2

sin θ
Area will be maximum when , θ =

π/2

∴ Maximum area of Δ ABC =

3/2 sin π/2

9/2×1

9/2

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