31 P4.AN.JM.17092844
Level 3
The figure shows a piece of rectangular paper ABCD folded at one of its corners D. ∠DEF = 16°. Find ∠DEC.
3 m
Rectangle Angles on a straight line Overlapping angles Folded figure
32 P4.AN.JM.17092871
Level 3
The figure shows a piece of square paper ABCD folded at two of its corners B and D. Given that ∠CFD = 81° and ∠BEC = 78°, find ∠BCD.
3 m
Square Angles sum of triangle Overlapping angles Folded figure
33 P4.AN.JM.17092847
Level 3
The figure shows a piece of rectangular paper ABCD folded at two of its corners C and D. ∠DFE is 6° larger than ∠CFG but it is half the size of ∠CFD. Find ∠CFD.
3 m
Rectangle Angles on a straight line Overlapping angles Folded figure Model Comparison Units method
34 P4.AN.JM.17092845
Level 3
The figure shows a piece of rectangular paper ABCD folded at one of its corners A. ∠AEB is 4 times as large as ∠AEF. Find ∠AEB.
3 m
Rectangle Angles on a straight line Overlapping angles Folded figure Model Times-as-many Units method
35 P5.AN.JM.17083192
Level 2
In the figure, VOW is a straight line and both ∠UOX and ∠ZOY are right angles. Given that ∠VOZ = 21° and ∠UOW = 67°, find ∠YOX.
3 m
Right angle Angles on a straight line Overlapping angles

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