46 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
47 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
48 P6.AP.JC.22040803
Level 3 PSLE
A small circle with centre O has been cut from a circular piece of cardboard with the same centre. The radius of the small circle is 8 cm.
The remaining cardboard is then cut into four equal parts along the dotted lines as shown in Figure 1. The four parts are rearranged to form a new shape in Figure 2.
  1. Find the area of the new shape.
  2. Find the perimeter of the new shape. (Take π = 3.14)
5 m
Quarter circle Circle area Composite figure perimeter Composite figure area Cut & paste

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