Question
The figure is made up of straight lines. Given that ∠d is four times that of ∠f, find
  1. ∠d
  2. ∠e
  3. ∠f
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

The figure is made up of straight lines. Given that ∠d is four times that of ∠f, find
  1. ∠d
  2. ∠e
  3. ∠f