Question

Please help and hurry please

Answer 1

x = 7.48 (2d.p.) or 7.5 (1 d.p.)

Explanation:

Use Pythagoras' Theorem.

15 x 15 (or 15²) = 225

13 x 13 = 169

√H - A = O

225 - 169 = 56

√56 = 7.48 (2d.p.) or 7.5 (1 d.p.)

Answer 2

x=7.48

Explanation:

13^2+x^2=15^2

169+x^2=225

x^2=56

x=7.48