Question
The figure, not drawn to scale, is made up of an isosceles triangle and a rhombus. ∠r = ∠s, ∠p is thrice ∠s, ∠q is thrice ∠t and ∠r is less than ∠t by 30°.
  1. Find ∠r.
  2. Find the difference between ∠p and ∠r.
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

The figure, not drawn to scale, is made up of an isosceles triangle and a rhombus. ∠r = ∠s, ∠p is thrice ∠s, ∠q is thrice ∠t and ∠r is less than ∠t by 30°.
  1. Find ∠r.
  2. Find the difference between ∠p and ∠r.