Question

If the perimeter of isosceles triangle is 300m and equal sides be 80m then find third side of triangle​

Answer 1

Answer:

Suppose ABC is a triangle

Given:Perimeter of isosceles triangle=300m

Now,AB=AC=80m

Soln:-1)Now,Perimeter =Sum of all sides of triangle

Therefore, Perimeter=AB+BC+AC

300=80+BC+80_(Given)

300=160+BC

BC=300-160

BC=140m

Therefore,The Third Side i.e. BC is 140m