Level 1
In the figure, AOB is a straight line and CO is perpendicular to OD. ∠DOE = 12 ° and ∠EOF = 148 °. Find ∠COF.
1 m
Level 1 PSLE
ABC is a straight line and ∠BDA = ∠CDB. Find ∠ABD.
1 m
Level 1 PSLE
PQRS is a square and PQ = PT. Find ∠QPT.
1 m
Level 1
The figure is made up of straight lines. Find the unknown ∠y.
1 m
Level 3
In the figure, ACDF is a parallelogram, BCDE is a rhombus and BED is an equilateral triangle.
  1. Find ∠CDB.
  2. Given that AF = AE and ∠BAK = 50°. Find ∠EAK.
5 m