The length of three sides of a triangle are 20 cm, 16 cm and 12 cm. The area of the triangle is –

Question

Philoid · Accepted Answer

Let the threes ides of the triangle be,

a = 20 cm, b = 16 cm and c = 12 cm

Now, s =

=

= 24 cm

Now, by using Heron’s formula we have:

Area of triangle =

=

= 6 × 4 × 4

= 96 cm²

Hence, option (a) is correct