Question

How do I find the unknowns in the graph below and I need to quote my answers to 4 significant figures?

Answer 1

Please see the explanation.

Explanation:

`/_B=90-71.57=18.43^@`

`tan18.43=s/3`

`s=3*tan18.43=0.9997`

`h=sqrt(3^2+0.9997^2)=3.162`