Question

Someone help please

Answer 1

19.2

Explanation:

a^2+b^2=c^2

15^2+12^2=c^2

225+144=c^2

369=c^2

Answer 2

19.20937271 or 19

Explanation:

15^2 + 12^2 = 369

`√(369)` = 19.20937271