16 P6.RD.TL.17042445
Level 3
In the figure, not drawn to scale, 40% of the triangle XEZ is shaded. The ratio of the shaded part of circle to the unshaded part of the circle is 5 : 9. What percentage of the rectangle WXZY is shaded?
3 m
Ratio to units Finding percent Percent to units Area perimeter Repeated identity Units table
17 P6.AP.TL.17090721
Level 2
A rectangle is placed in a circle with O as the centre. Use the calculator value of π to find the shaded part of the circle. Correct the answer to 1 decimal place.
2 m
Rectangle Square & square root Triangle Circle area Fraction of a whole D Place values D Round off
18 P6.AP.TL.17090724
Level 2
The figure shows a triangle enclosed within a semicircle. X is the centre of the semicircle. Find the area of the shaded part. (Take π = 3.14).
2 m
Triangle Circle area Semicircle
19 P6.AP.TL.17090723
Level 2
The figure is made up of an equilateral triangle and a semi-circle of diameter 21 m. Find the perimeter of the figure. (Take π = 227)
2 m
Equilateral triangle Circumference Semicircle
20 P6.AP.NK.21060415
Level 2 PSLE
The figure is formed by joining two quarter circles of radius 3 cm. Find the perimeter of the figure. Round your answer to the nearest whole number. Take π = 3.14
2 m
Composite figure perimeter Quarter circle D Round off

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