Question

Please help, i’m not smart enough for this.

the missing length needs to be found.

it’s pythagorean theorem

Answer 1

17.89 m

Explanation:

A^2+B^2=C^2

8squared=64

18squared=256

64+256=320

320 (radical)

17.89 m

Answer 2

`√(260)`

Explanation:

a^2 +b^2 = c^2. Since 18 would be c in this equation, you just do 18 squared minus 8 squared.