Question
Given that BCDE is a trapezium and BCE is an isosceles triangle, find the values of
  1. ∠r
  2. ∠s
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Given that BCDE is a trapezium and BCE is an isosceles triangle, find the values of
  1. ∠r
  2. ∠s