Question

Find the length of the third side. If necessary, write in simplest radical form.

Answer 1

`√(20)`

Explanation:

Using the pathogrean Theroem we know that --->

a^2+b^2=c^2

In this picture we are given a and b so lets replace our values and solve

2^2+4^2=c^2 ---->

4+16=c^2

20=c^2

`√(20)`