Question

The equal sides of an isosceles triangle $3.5cm$ each and the other side is $2.5cm$. What is the perimeter of the triangle?

Answer 1

Let $AB=AC=3.5cm$ and $BC=2.5cm$

Hence,

Perimeter of the isosceles triangle $=AB+BC+AC$

$=3.5+2.5+3.5$

$=9.5cm.$