Question

I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER

Answer 1

4

Explanation:

You have to use Pythagorean Theory which states that a^2+b^2=c^2

It means that:

3^2+b^2=5^2

b^2=25-9

b = root of 16 (25-9=16)

b = 4

I hope that I helped :)