Question

The base of an isosceles triangle is 5, the height lowered from one end of the base is 4. What is the surface area?

Answer 1

`10`

Explanation:

The area of any triangle is given by `1/2*b*h` where `b` is the base and `h` is the hieght.
Therefore the area here is `1/2*5*4 = 10`