21 P4.AN.JM.17092833
Level 2
In the figure, ABCD is a rectangle. ∠x is twice the size of angle y. Find ∠x.
2 m
Right angle Rectangle Model Times-as-many Units method
22 P4.AN.JM.17092842
Level 2
ABCD is a square and CEFG is a rectangle. Find ∠x + ∠y.
2 m
Right angle Square Rectangle
23 P4.AN.JM.17092809
Level 2
In the figure, AB is perpendicular to BC. ∠ABD = 52° and ∠CBE = 76°. Find ∠EBD.
2 m
Right angle Overlapping angles
24 P4.AN.JM.17092865
Level 2
In the figure, PQRS is a square. ∠PSU = 50° and ∠TSR = 75°. Find ∠TSU
2 m
Right angle Square Overlapping angles
25 P4.AN.NK.23041230
Level 2
The figure (not drawn to scale) is made up of 2 rectangles. Find ∠m.
2 m
Right angle Rectangle Overlapping angles
26 P4.AN.NK.23041233
Level 2
The figure is made up of 2 rectangles, ABCD and EFGC. Given that ∠DCG is 142°,
  1. find ∠x.
  2. find ∠y.
2 m
Right angle Rectangle Overlapping angles
27 P4.AN.NK.23041232
Level 2
Square ABCD is folded as shown in the diagram. Find ∠x.
2 m
Right angle Square Overlapping angles Folded figure
28 P4.AN.JM.17092870
Level 2
The figure shows a piece of square paper ABCD folded at two of its corners A and C. Given that ∠ADE = 12° and ∠CDF = 15°, find ∠ADC.
2 m
Right angle Square Overlapping angles Folded figure
29 P4.AN.JM.17092869
Level 2
Pauline has a piece of square paper. She folded it along the dotted line as shown. Find ∠g.
2 m
Right angle Square Overlapping angles Folded figure
30 P4.AN.NK.23041228
Level 2
A piece of rectangular paper ABCD was folded as shown. ∠FCB = 58°. Find ∠ECF.
2 m
Right angle Rectangle Overlapping angles Folded figure
31 P4.AN.NK.23041229
Level 2
A rectangular piece of paper is folded at one of its corners as shown. Find ∠y.
2 m
Right angle Rectangle Overlapping angles Folded figure
32 P4.AN.JM.17092806
Level 3
The figure is not drawn to scale. ∠ABC is a right angle. ∠x is twice of ∠y. Find ∠x.
3 m
Right angle Model Times-as-many Units method
33 P4.AN.JM.17092805
Level 3
In the figure, ∠ACB = 90°. ∠ACD is 36° more than ∠BCD.
  1. What line is perpendicular to AC?
  2. Find ∠ACD.
3 m
Right angle Model Comparison Units method
34 P4.AN.JM.17092807
Level 3
In the figure, BC is a straight line. ∠ADB = 90°, ∠EDF is equal to ∠FDC but 24° more than ∠ADE.
  1. What line is perpendicular to BC?
  2. Find ∠EDF.
3 m
Right angle Equal stage Model Comparison Units method
35 P4.AN.JM.17092831
Level 3
HJKM is made up of two squares. What is ∠HLJ?
3 m
Right angle Square
36 P4.AN.JM.17092830
Level 3
In the figure, STUV is a square. Find ∠b.
3 m
Right angle Square
37 P4.AN.JM.17092832
Level 3
In the figure, WXYZ is a rectangle. Find ∠a.
3 m
Right angle Rectangle
38 P4.AN.NK.23041234
Level 3
The figure shows a rectangle. What is the missing number?
∠x + ∠y = _____
3 m
Right angle Rectangle
39 P4.AN.JM.17092862
Level 3
The figure shows a rectangle ABCD. ∠BAC = 35° and ∠DAE = 36°. Find
  1. ∠CAE
  2. ∠AEC
3 m
Right angle Rectangle Exterior angle of a triangle
40 P4.AN.JM.17092867
Level 3
The figure is made up of a square ABCD and a rectangle CEFG. ∠DCG is 75°. Find the sum of ∠BCG and ∠BAD.
3 m
Right angle Square Rectangle Overlapping angles

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