Given that GHKL is a rhombus, calculate
- ∠r
- ∠s
(a)
∠GNL = ∠HNP = 103° (Vertically opposite angles)
∠r
= 180° - 103° - 21°
= 56° (Angles sum of triangle)
(b)
∠LKH
= 180° - 21° - 21°
= 138° (Angles sum of triangle)
∠s
= 360° - 103° - 138° - 21°
= 98° (Sum of Angles in a quadrilateral)
Answer(s): (a) 56°; (b) 98°