In the figure, JKLM is a parallelogram and NL = NM.
- Find ∠p.
- Find ∠q.
(a)
∠JNK = ∠JKN (Isosceles triangle)
∠p
= 180° - 47° - 47° - 68°
= 18° (Interior angles)
(b)
∠JNK
= 180° - 47° - 47°
= 86° (Angles sum of triangle)
∠q
= 360° - 86°
= 274° (Angles at a point)
Answer(s): (a) 18°; (b) 274°