Level 1 PSLE
In the figure, LOP and MON are straight lines. ∠LPN = 55°, ∠PLM = 114° and ∠MNP = 90°. Find ∠LMN.
2 m
Level 2
The figure shows 4 triangles. Find the sum of ∠m + ∠n + ∠h + ∠j + ∠k + ∠l.
2 m
Level 3
In the figure, not drawn to scale, JKLM is a square. PKL is an equilateral triangle. What is ∠PQN?
3 m
Level 3 PSLE
In the figure, PTR and STQ are straight lines. PQ = QR = RS. ∠PTS = 110° and ∠QPR = 30°. Find ∠PRS.
3 m
Level 3 PSLE
In the figure, RXYZ is a parallelogram. PZR and QZY are straight lines and PQ = QR. ∠PQZ = 28° and ∠XYZ = 52°.
  1. Find ∠YZR.
  2. Find ∠ZQR.
3 m
Level 3 PSLE
EFG is an equilateral triangle and ABCD is a rhombus. DGH is a straight line. Find ∠z.
3 m
Level 3
In the figure, not drawn to scale, O is the centre of the circle. HOC, FDC and ODE are straight lines. Find ∠EDF.
3 m
Level 3 PSLE
The figure is formed by five straight lines AC, AD, BD, BE and CE.
  1. Find ∠y.
  2. Find ∠z.
3 m
Level 3
In the figure, not drawn to scale, PQRS is a square. RLN, SLQ and RMN are straight lines. Find the value of ∠PMN.
4 m
Level 3 PSLE
In the diagram, XLP and YMN are equilateral triangles. WXYZ is a straight line. ∠ZYN = 62° and ∠WXL = 92°. Find ∠a.
4 m