Question

Someone help me please

Answer 1

Answer:

$\sqrt{60}$

Step-by-step explanation:

Use the Pythagorean theorem a^2 + b^2 = c^2

In this case you are given a and c, so set the equation up like

2^2 + b^2 = 8^2

b^2 = 8^2 - 2^2

b =$\sqrt{8^{2} -2^{2} }$

b =$\sqrt{60}$