Question

The
Perimeter
of triangle ABC is 36cm
and its inradius is 8 cm then the area of the triangle is
​

Answer 1

Given : Perimeter of triangle ABC IS 36cm

Inradius is 8 cm

To Find : Area of triangle

Solution:

: Area of triangle = semi perimeter x inradius

= (1/2) Perimeter x inradius

Perimeter = 36 cm

inradius = 8 cm

=> Area = (1/2) x 36 x 8

=> Area = 18 x 8

=> area =  144 cm²

Area of triangle is 144 cm²

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