# An isosceles triangle has sides A, B, and C, such that sides A and B have the same length. Side C has a length of #9 # and the triangle has an area of #90 #. What are the lengths of sides A and B?

##### 1 Answer

Jun 4, 2016

Lengths of side A and B are

#### Explanation:

Let the sides A and B be

Hence, height of perpendicular using Pythagoras theorem will be

Hence

or

or

Lengths of side A and B are