31 P6.AN.NK.17052203
Level 3
The figure shows a rectangle ABCD being folded along AT. Given that ∠TAC = 18° find
  1. ∠y
  2. ∠z
3 m
Rectangle Angles sum of triangle Overlapping angles Folded figure
32 P6.AN.NK.17052211
Level 3
In the figure not drawn to scale, a piece of paper that is of parallelogram shape is folded at two comers P and Q as shown. Find ∠a.
3 m
Parallelogram Angles on a straight line Angles sum of triangle Overlapping angles Folded figure
33 P6.AN.NK.17052209
Level 3
A rectangular piece of paper is folded along the dotted line as shown. Find
  1. ∠a
  2. ∠b.
3 m
Rectangle Angles on a straight line Alternate angles Corresponding angles Interior angles Overlapping angles Folded figure
34 P6.AN.NK.17052207
Level 3
A rectangular piece of paper was folded as shown. Find ∠EGI.
3 m
Rectangle Angles on a straight line Alternate angles Overlapping angles Sum of angles in a quadrilateral Folded figure
35 P5.AN.NK.23041252
Level 3
A rectangular piece of paper is folded to form the diagram.
  1. Find ∠a.
  2. Find ∠b.
3 m
Rectangle Triangle Right angle Angles on a straight line Overlapping angles Folded figure
36 P5.AN.NK.23041254
Level 3
ABCD is a rectangular piece of paper. Corners C and D are folded upwards as shown. ∠CFG = 23° and ∠DFE = 16 °
  1. Find ∠CGF
  2. Find ∠DFC
3 m
Rectangle Triangle Right angle Angles on a straight line Overlapping angles Folded figure
37 P6.AP.TL.17090776
Level 3
Figure 1 shows a rectangle EFGH. It is folded along EG to form Figure 2. The area of Figure 2 is 58 of the area of Figure 1. The area of the shaded part in Figure 2 is 36 cm2. Find the area of rectangle EFGH.
3 m
Rectangle Triangle Overlapping area Folded figure Fraction to units Units method
38 P4.AP.NK.23050843
Level 3
The area of a rectangular sheet of paper ABCD is 108 cm2. It is then folded at a corner as shown below in Figure 2. Given that AD = 9 cm and AE = 4 cm.
  1. Find the length of CD.
  2. Find the perimeter of the unshaded part AEBCD.
3 m
Rectangle Triangle Overlapping area Folded figure
39 P4.AP.JM.17100268
Level 3
A rectangular strip of ribbon is folded as shown. What is the area of the strip of ribbon before it is folded?
3 m
Square Rectangle Overlapping area Folded figure
40 P4.AP.JM.17100249
Level 3
A rectangular piece of coloured paper was folded as shown. Find the area of the coloured paper when it was unfolded.
3 m
Rectangle Composite figure area Folded figure

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