KLMN is a rectangular piece of paper. Corners M and N are folded upwards as shown. ∠MQR = 18° and ∠NQE = 10 °
- Find ∠MRQ
- Find ∠NQM
(a)
∠MRQ
= 180° - 90° - 18°
= 72° (Angles sum of triangle)
(b)
∠NQM
= 180° - 10° - 10° - 18° - 18°
= 124° (Angles on a straight line)
Answer(s): (a) 72° (b) 124°