Q9 of 69 Page 240

The length of the three sides of the triangular field are 40 m, 24 m and 32 m respectively. The area of the triangle is –

It is given in the question that,

Sides of the triangle = 40 m, 24 m and 32 m


∴ Semi-perimeter, s =


=


= 48 cm


Now, by using Heron’s formula we get:


Area of triangle =


=


=


= 384 m2


Hence, option (c) is correct

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