Question

the perimeter of triangle ABC 12cm and it's in radius 1cm then find the area of the triangle

Answer 1

Answer:

Area of triangle ABC = 12cm^2

Step-by-step explanation:

Given, s(perimeter) =12cm

r(inradius) =1cm

w.k.t inradius = area/perimeter

1=area/12

area=12 cm^2