Question

Find the length of side a.
please help?

Answer 1

Answer: 3

Step-by-step explanation: Use the pythagorean theory!!!

a^{2} +4^{2}=5^{2}

a^{2}=5^{2}-4^{2}

a^{2} =25-16

a^{2}=8 square root both sides √

a=2.8=3

Answer 2

Hello! I believe your answer is a = 3

Explanation:

a=
`\sqrt{5^(2)-4^(2) }` = 3

Have a good day! - Zac