81 P5.AP.JM.17083204
Level 3
Rectangle WXYZ is made up of 3 identical squares. Given that the perimeter of Rectangle WXYZ is 80 cm, find the total area of the unshaded parts.
3 m
Square Rectangle Composite figure area
82 P6.AP.TL.17090784
Level 3 PSLE
In the figure, the square LMNO is made up of two parts, X and Y. The part, X, is formed by a semicircle and the line LM. The perimeter of X is 36 cm and the perimeter of the shaded part, Y, is 64 cm.
  1. Find the perimeter of the square LMNO.
  2. Find the area of the shaded part Y. (Take π =227)
3 m
Square Semicircle Composite figure area Units & parts Elimination
83 P4.AP.JM.17100121
Level 2
Find the area of the shaded part.
3 m
Square Rectilinear figure Composite figure area
84 P6.AP.TL.17090795
Level 3
The figure shown is formed by cutting out three identical quadrants from three identical squares. Find the area of the figure. (Take π = 227)
3 m
Square Quarter circle Composite figure area
85 P4.AP.JM.17100137
Level 3
Find the area of the figure.
3 m
Rectangle Rectilinear figure Composite figure area
86 P5.AP.JM.17083209
Level 3
The figure is made up of two shaded triangles within a rectangle. Find the area of the unshaded part.
3 m
Rectangle Triangle Composite figure area
87 P5.AP.JM.17083131
Level 3
The figure is made up of 2 triangles, NJM and KLM. Find the area of the shaded part in the figure.
3 m
Triangle Composite figure area
88 P6.AP.TL.17090797
Level 3
In the figure, WXYZ is a rectangle. h = 20 cm, WX = 30 cm, XY = 24 cm. Find the area of the shaded parts.
3 m
Rectangle Triangle Composite figure area
89 P4.AP.JM.17100251
Level 3
A pool is surrounded by a footpath as shown. The length of the footpath is 55 metres and its breadth is 25 of its length. Find the area of the pool.
3 m
Rectilinear figure Composite figure area F Multiplication
90 P6.AP.TL.17090802
Level 3
MNO and NOP are two identical equilateral triangles. MN = NY and PO = OZ.  Given that MP = 42 cm and YZ = 72 cm, find the total unshaded areas.
3 m
Equilateral triangle Composite figure area

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