Question

Tap on image above I need help please help! You don’t have to answer all just the ones you can do please and thank you

Answer 1

Answer

#8 is 17.7

Explanation:
13^2+12^2 = c^2
C = 17.7

Answer 2

Hello,

If you have noticed they are all right angles, which means you can use  Pythagorean theorm.

1. a^2 = 40^2 + 9^2

= a^2 + 1600 + 81

= 1681

a^2 = 1681

sovle for "a"

a = 41

hope this helps.