Question

Look at pic pls help

Answer 1

`x=6.40` (to 3sf)

Explanation:

Height of triangle = 14 - 10

= 4

Following the Pythagoras' Theorem,

`x^(2) =5^(2) +4^(2) \\x^(2) =41`

∴
`x=6.40` (to 3sf)