Level 2
In the figure. ABDE is a parallelogram and ∠CDE = 106°. Find ∠ABC.
2 m
Level 2
TUVW is a parallelogram. TWY is a straight line. Find ∠XUT.
2 m
Level 2
In the figure, AB and CD are straight lines. ∠AOC is 54°. What is the sum of ∠a and ∠b?
3 m
Level 3
In the figure, BA // FE and BC // DE. Find
  1. ∠x
  2. ∠y
3 m
Level 3
In the figure, ABCD is a rectangle and BDE is an isosceles triangle. Given that BD = BE, ∠BED = 55° and ∠ADE = 253°, find ∠ DBC.
3 m