16 P6.AN.NK.17052205
Level 2
An equilateral triangle, XYZ, is folded as shown in the figure. Find
  1. ∠BAZ
  2. ∠YBZ.
2 m
Equilateral triangle Angles on a straight line Angles sum of triangle Overlapping angles Folded figure
17 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
18 P4.AP.JM.17100155
Level 2
A rectangular piece of paper was folded as shown. Find the perimeter of the paper before it was folded.
2 m
Rectangle Composite figure perimeter Folded figure
19 P5.AN.NK.23041253
Level 3
Ben folded a rectangular piece of paper ABCD along its diagonal AC. Find ∠ACD.
2 m
Rectangle Triangle Right angle Angles on a straight line Overlapping angles Folded figure
20 P4.AN.JM.17092843
Level 3
The figure shows a piece of rectangular paper ABCD folded at one of its corners D. ∠DFE = 67°. Find ∠CED.
3 m
Rectangle Angles on a straight line Overlapping angles Folded figure

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