Question
A rectangular piece of paper is folded along the diagonal as shown in Figure N. It is folded again as shown in Figure P before the last fold in Figure Q. If the angle is 61° in Figure Q, what is ∠r?
3 m

Click button first when a symbol is required. X

A rectangular piece of paper is folded along the diagonal as shown in Figure N. It is folded again as shown in Figure P before the last fold in Figure Q. If the angle is 61° in Figure Q, what is ∠r?