31 P6.RA.NK.17082801
Level 3
The figure, not drawn to scale, shows a rectangle, WXYZ, which is divided in 4 parts, A, B, C, D. The ratio of the area of D to the area of C is 1 : 3. The ratio of the area of C to the area of B is 2 : 7. If the area of A is 238 cm2 , what is the area of the rectangle WXYZ?
3 m
Area Perimeter Rectangle Ratio to units Repeated identity Units table
32 P6.AN.NK.17081610
Level 2 PSLE
A rectangular piece of paper was folded along the dotted line as shown in the figure. Find ∠a.
2 m
Right angle Rectangle Overlapping angles Folded figure
33 P6.AP.TL.17090739
Level 2
The figure is made up of 3 rectangles and 3 semi-circles. Find the perimeter of the figure. (Take π = 227) Round off the answer to the nearest whole number.
2 m
Rectangle Semicircle Composite figure perimeter W Round off
34 P6.PA.JC.17111314
Level 3
A rectangle has 6 seats around it (Figure 1). When arranged together, the rectangle has the following number of seats around it.
  1. How many seats are there if 4 rectangles are joined together?
  2. How many seats are there if 20 rectangles are joined together?
  3. Which figure has 362 seats together?
3 m
Equal intervals
35 P6.AN.NK.17052201
Level 2
A rectangular strip of paper is folded at an angle of a° to the side, forming an angle of 40° as shown. What is the value of ∠a?
2 m
Rectangle Angles on a straight line Corresponding angles Overlapping angles Folded figure

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