Question

Find the value of x xx in the isosceles triangle shown below.

Answer 1

Use the pythagorean theorem: a² + b² = c²
In this case, 2² + 5² = x²
4 + 25 = x²
29 = x²  -Square root x and 29
x = √29, which is 5.385, or you can round it to 5 , 5.4 , or 5.39.