16 P6.AP.TL.17090791
Level 3
The figure, not drawn to scale, is made up of semicircles in a rectangle ABCD. XY is the common baseline for all the semi-circles.
  1. Find the length of AB.
  2. Using the calculator π, find the perimeter of the shaded parts. Give the answer correct to 2 decimal places.
3 m
Length Rectangle Semicircle Composite figure perimeter D Place values D Round off
17 P6.AP.TL.17090783
Level 3
Find (a) the perimeter and (b) the area of the figure. (Take π = 227)
3 m
Square Semicircle Composite figure perimeter Composite figure area
18 P6.AP.TL.17090801
Level 3
Find (a) the perimeter and (b) the area of the figure. (Take π = 227)
3 m
Square Circle Composite figure perimeter Composite figure area
19 P6.AP.TL.17090799
Level 3
The figure shows two identical semi-circles. XY is a straight line. X and Y are the centres of the semi-circles. Given that the radius of the semi-circle is 10 cm, find the area of the shaded regions. Express the answer correct to 1 decimal place. (Take π = 3.14)
3 m
Semicircle Quarter circle Composite figure perimeter Composite figure area D Place values D Round off
20 P6.AP.TL.17090806
Level 3
  1. Find the perimeter of the shaded region. (Take π = 3.14)
  2. Find the unshaded area of this figure. (Take π = 3.14)
3 m
Square Circle area Composite figure perimeter Composite figure area Leaf

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