In the diagram shown, JKL is a right-angled triangle and JK = KL = JM. Find
- ∠MJL
- ∠JMK
(a)
∠JLK
= (180° - 90°) ÷ 2
= 45° (Isosceles triangle)
∠MJL
= 45° - 27°
= 18°
(b)
∠JMK
= (180° - 27°) ÷ 2
= 76.5° (Isosceles triangle)
Answer(s): (a) 18°; (b) 76.5°