Level 1
In the figure, what is the value of ∠a?
1 m
Level 1
In the figure, AB, CD and EF are straight lines. ∠COE = 65° and ∠BOD = 29°. Find ∠AOF.
1 m
Level 2
The figure shows a right-angled triangle RST. Given that ∠PQR = 73°, what is the value of ∠QRS?
2 m
Level 2
In the figure, UOV and SOT are straight lines. What is the sum of ∠SOP and ∠VOP?
2 m
Level 2
The figure shows an isosceles triangle. What is the value of ∠q?
2 m
Level 2
In the figure, ABCD is a rectangle and BDE is an isosceles triangle. Given that ∠BEC = 65°, find ∠DBE.
2 m
Level 2
In the figure, KJN is a straight line. LMJ is an isosceles triangle and KJL is an equilateral triangle. Find ∠OJN.
2 m
Level 2
In the figure, QWR, SWT and UWV are straight lines. ∠x is half the size of ∠y and ∠SWV is 123°. Find ∠x.
2 m
Level 2
In the figure, MON is a straight line. Given that the ratio of ∠a to ∠b is 1 : 2, what is the value of ∠b?
2 m
Level 2
In the figure, find the unknown angles.
  1. ∠q
  2. ∠p
2 m