RSTU is a rectangular piece of paper. Corners T and U are folded upwards as shown. ∠TWX = 19° and ∠UWE = 16 °
- Find ∠TXW
- Find ∠UWT
(a)
∠TXW
= 180° - 90° - 19°
= 71° (Angles sum of triangle)
(b)
∠UWT
= 180° - 16° - 16° - 19° - 19°
= 110° (Angles on a straight line)
Answer(s): (a) 71° (b) 110°