BA LLB Banaras Hindu University 2017 Solved Paper

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Question : 110 of 170

Marks: +1, -0

The sides of a triangle are

3 {cm}, 4 {cm}

and

5 {cm}

. The area (in

{cm}^{2}

) of the triangle formed by joining the mid points of the sides of the triangle is

6
3
$\;{3}/{2}$
$\;{3}/{4}$

Solution:

ar(∆ D E F)=\;{1}/{4} × ar(∆ A B C)

=\;{1}/{4} ×[\;{1}/{2} × 3 × 4]

=\;{3}/{2} {sq} {cm}

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