Question

What is the perimeter of an isosceles triangle whose base is 16 cm and whose height is 15 cm?

Answer 1

`2p = 50`

Explanation:

The height touches the midpoint of the basis.
Right triangle: `(b/2)^2 + h^2 = L^2`

`8^2 +15^2 = L^2 Rightarrow L = 17`

`2p = L + L + b = 17 + 17 + 16`