Question

The congruent sides of an isosceles triangle are 13 cm. If its height is 12 cm, what is the length of the base of the isosceles triangle?

Answer 1

Let `a` be tha base of the triangle from pythagoras theorem we have that

`(12)^2+(a/2)^2=(13)^2=>a^2=4(25)=>a=10`