Question

m 10 years ago

Answer 1

Let \(x\) be the measure of \(\angle PQR\). From the given information, \(x+\dfrac23 x = 90^\circ.\) Do you see how I obtained that?

Answer 2

let the angles be 2x and 3x
then
2x+3x=90 find x and then 2x and 3x

Answer 3

That works equally well.