KLMN is a rectangular piece of paper. Corners M and N are folded upwards as shown. ∠MQR = 19° and ∠NQE = 13 °
- Find ∠MRQ
- Find ∠NQM
(a)
∠MRQ
= 180° - 90° - 19°
= 71° (Angles sum of triangle)
(b)
∠NQM
= 180° - 13° - 13° - 19° - 19°
= 116° (Angles on a straight line)
Answer(s): (a) 71° (b) 116°