In the figure, JKLM is a parallelogram and NL = NM.
- Find ∠p.
- Find ∠q.
(a)
∠JNK = ∠JKN (Isosceles triangle)
∠p
= 180° - 39° - 39° - 69°
= 33° (Interior angles)
(b)
∠JNK
= 180° - 39° - 39°
= 102° (Angles sum of triangle)
∠q
= 360° - 102°
= 258° (Angles at a point)
Answer(s): (a) 33°; (b) 258°