131 P5.AN.JM.17083189
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
Right angle Angles on a straight line Ratio to units Units method
132 P6.AN.NK.17051711
Level 2
XYZ and OYZ are isosceles triangles. XY = XZ, OY = OZ, ∠XYO = 18° and ∠YOZ = 80°. Find ∠a.
2 m
Isosceles triangle Angles sum of triangle
133 P5.AN.ED.18011604
Level 1 PSLE
In the figure, find the unknown angles.
  1. ∠q
  2. ∠p
2 m
Angles on a straight line Vertically opposite angles
134 P6.AN.NK.17052104
Level 2
If ∠x is 120 °, find the sum of ∠u, ∠v, ∠w, ∠y,and ∠z.
2 m
Angles sum of triangle
135 P5.AN.JM.17083187
Level 1 PSLE
In the figure, AOB and COD are straight lines. Find ∠EOD.
2 m
Angles on a straight line Vertically opposite angles
136 P6.AN.NK.17052101
Level 2
The figure shows 4 triangles. Find the sum of ∠m + ∠n + ∠h + ∠j + ∠k + ∠l.
2 m
Vertically opposite angles Angles sum of triangle
137 P5.AN.JM.17083188
Level 2
In the figure, SOT and UOV are straight lines and ∠VOW = ∠WOT. Find ∠VOW.
2 m
Right angle Vertically opposite angles
138 P5.AN.JM.170831200
Level 2
In the figure, what is ∠a + ∠b?
2 m
Angles on a straight line Vertically opposite angles
139 P6.AN.RA.17081609
Level 1 PSLE
In the figure, EFG is an equilateral triangle and ∠FGH = 70°. Find ∠a.
2 m
Equilateral triangle Angles at a point
140 P5.AN.JM.17083197
Level 2
In the figure, what is the difference between ∠m and ∠n?
2 m
Angles on a straight line Vertically opposite angles

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