Respuesta :
in a 30-60-90 triangle, if the short leg is x then the longer leg is x√3 and the hypotonuse is 2x
so if the rafter (hyppotnuse) is 9ft then
9ft=2x
4.5ft=1x
the short leg is 4.5ft
so if the rafter (hyppotnuse) is 9ft then
9ft=2x
4.5ft=1x
the short leg is 4.5ft