The figure shows a rectangle QRST. ∠QTU = 58° and ∠RTS = 39°. Find
- ∠RTU
- ∠QRT
(a)
∠RTU
= 58° + 39° - 90°
= 7° (Overlapping angles)
(b)
∠QTR
= 58° - 7°
= 51° (Overlapping angles)
∠QRT
= 180° - 90° - 51°
= 39° (Angles sum of triangle)
Answer(s): (a) 7°; (b) 39°