The figure shows a rectangle JKLM. ∠JMN = 63° and ∠KML = 39°. Find
- ∠KMN
- ∠JKM
(a)
∠KMN
= 63° + 39° - 90°
= 12° (Overlapping angles)
(b)
∠JMK
= 63° - 12°
= 51° (Overlapping angles)
∠JKM
= 180° - 90° - 51°
= 39° (Angles sum of triangle)
Answer(s): (a) 12°; (b) 39°