KLMN is a rectangular piece of paper. Corners M and N are folded upwards as shown. ∠MQR = 20° and ∠NQE = 17 °
- Find ∠MRQ
- Find ∠NQM
(a)
∠MRQ
= 180° - 90° - 20°
= 70° (Angles sum of triangle)
(b)
∠NQM
= 180° - 17° - 17° - 20° - 20°
= 106° (Angles on a straight line)
Answer(s): (a) 70° (b) 106°