31 P4.AN.JM.17092846
Level 2
The figure shows a piece of rectangular paper ABCD folded at two of its corners C and D. Given that ∠DFE = 21° and ∠CFG = 15°, find ∠CFD.
2 m
Rectangle Overlapping angles Angles on a straight line Folded figure
32 P6.AN.JC.23030117
Level 2 PSLE
A rectangular piece of paper is folded to form a trapezium ABCD. The two shaded triangles are identical. Find ∠x.
2 m
Right angle Rectangle Trapezium Angles on a straight line Angles sum of triangle Angles at a point Overlapping angles Folded figure
33 P6.AN.NK.17051714
Level 2
In the figure, ABC and XYZ are equilateral triangles and ∠BGX = 84°. Find ∠CHZ.
2 m
Equilateral triangle Angles on a straight line Sum of angles in a quadrilateral
34 P5.AN.JM.17083137
Level 2
The figure shown is not drawn to scale. ABC is an isosceles triangle and XY is a straight line. Find ∠a.
2 m
Isosceles triangle Angles on a straight line Exterior angle of a triangle
35 P5.AN.JM.17083149
Level 1
ABEF is a parallelogram. Given that DE = EC, ∠AFD = 55° and FC is a straight line, find ∠AEB.
2 m
Parallelogram Angles on a straight line Corresponding angles

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