61 P6.AP.NK.21060422
Level 3 PSLE
The figure shows a path of width 3 m in a rectangular park of length 42 m. The outline of the path is made up of quarter circles with centre A, semicircles with centre D and straight lines. AB = CD.
  1. What is the width of the rectangular park?
  2. Find the area of the path. Take π = 3.14.
4 m
Length Rectangle Semicircle Quarter circle Composite figure area Boomerang
62 P6.AP.NK.21060420
TRY FOR FREE
Level 2 PSLE
A symmetric figure is drawn on a rectangular piece of paper 20 cm by 15 cm as shown. Its outline consists of a large semicircle, 2 smaller semicircles and 2 straight lines.
  1. What is the area of the figure?
  2. What is its perimeter? Take π = 3.14
5 m
Attempt
Rectangle Semicircle Composite figure perimeter Composite figure area
63 P6.AP.TL.17090845
Level 3
The figure shows a triangle KLM and 3 semicircles. If the shaded area of the semicircle, labelled y, is 13 the unshaded area of the semicircle, labelled x, find the total shaded area. (Take π = 3.14)
5 m
Triangle Semicircle Composite figure area Fraction to ratio
64 P6.AP.TL.17090848
Level 3
The figure, not drawn to scale, is made up of a square, a quadrant and a semicircle. WXYZ is a square of side 28 cm. Find the area of the shaded part. (Take π = 227)
5 m
Square Triangle Circle area Semicircle Quarter circle Composite figure area
65 P6.AP.TL.17090850
Level 3
The figure is made up of a circle, a rectangle and 2 semicircles. AC, the diameter of the circle, is 15 cm, AB is 12 cm and BC is 9 cm.
  1. What is the total area of the shaded parts?
  2. What is the total perimeter of the shaded parts? (Take π = 3.14)
5 m
Rectangle Circle area Semicircle Composite figure perimeter Composite figure area
66 P6.AP.NK.21060423
Level 3 PSLE
The figure shows a table cloth. The outside edge of the mat is formed by 4 semicircles and 2 quarter circles, each of radius 14 cm.
  1. Find the perimeter of the mat.
  2. Find the area of the mat. Take π = 227.
5 m
Semicircle Quarter circle Composite figure perimeter Composite figure area
67 P6.AP.NK.22041904
Level 3 PSLE
The figure is made up of a rectangle, semicircles and quarter circles. The area of the rectangle is 216 cm2.
  1. Find the perimeter of the rectangle.
  2. Find the area of the figure. Take π = 3.14
5 m
Square Rectangle Semicircle Quarter circle Composite figure area Square & square root
68 P6.AP.TL.17090841
Level 3
The figure is made up of a right-angled triangle ABC and two semicircles with AB and BC as their diameters respectively. The two semicircles and the line AC meet at D as shown. AB = 12 cm. BC = 16 cm and AC = 20 cm. (Take π = 3.14)
  1. Find the perimeter of the shaded region. Correct the answer to 2 decimal places.
  2. Find the area of the shaded region.
5 m
Right-angled triangle Circumference Semicircle Composite figure perimeter Composite figure area Overlapping area D Place values D Round off

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