Question

How to solve it ?........

Answer 1

Δpqr is similar to Δabc

3/z=6/8=y/4√3

3/z=6/8

by cross multiplying,

z=4

in the same way,

y/4√3=6/8

y=3√3

y+z=4+3√3

if you write this out on a paper you will understand it better