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° - 31°
= 14°
(b)
∠JMK
= (180° - 31°) ÷ 2
= 74.5° (Isosceles triangle)
Answer(s): (a) 14°; (b) 74.5°