Question
In the figure, E is the centre of a semicircle and EABC is a rhombus. Given that ∠ECD = 31°, find
  1. ∠n
  2. ∠p
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

In the figure, E is the centre of a semicircle and EABC is a rhombus. Given that ∠ECD = 31°, find
  1. ∠n
  2. ∠p