Question
HJKL is a parallelogram. HLM and JNM are straight lines. Find the values of
  1. ∠a
  2. ∠d
  3. ∠c
  4. ∠b
4 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

(d)

Click button first when a symbol is required. X

HJKL is a parallelogram. HLM and JNM are straight lines. Find the values of
  1. ∠a
  2. ∠d
  3. ∠c
  4. ∠b