Questions

From Worst to Best

146 P6.AP.TL.17090836

Level 3
In the figure, WXYZ and XYML are squares. P and N are centres of square WXYZ and PQRS respectively. O is the centre of XY. If WL = 56 cm, take π = ²²₇ and find

the perimeter of the shaded region,
the area of the shaded region.

4 m

Attempt

147 P6.AP.TL.17090837

Level 3
The figure is not drawn to scale. It is formed by quadrants and semicircles of two sizes. The radius of the larger quadrant is 3 cm longer than the radius of the smaller quadrant. The radius of the smaller quadrant (Line B) is 12 cm.

Find the area of the shaded part.
Find the perimeter of the dotted line. (Take π = 3.14)

4 m

Attempt

Circle area Semicircle Quarter circle Composite figure perimeter Composite figure area More than or less than

148 P6.AP.TL.17090793

Level 3
The figure shows a rectangular park which consists of 1 pavilion in a semi-circle shape and a pond. 4 quarter circles make up the shape of the pond. The length and breadth of the rectangle are 80 m and 44 m respectively.

Find the perimeter of the pond.
Find the area of the shaded part. (Take π = 3.14).

4 m

Attempt

Rectangle Circumference Semicircle Quarter circle Composite figure perimeter Composite figure area

149 P6.AP.NK.21060421

Level 3 PSLE
The figure is formed by two identical circles at W and Y. WYXZ is a square and the length of XY is 14 cm. (Take π = 3.14)

Find the perimeter of the unshaded part.
Find the total area of the shaded parts.

4 m

Attempt

Square Circle area Circumference Composite figure perimeter Composite figure area

150 P6.AP.NK.21060424

Level 3 PSLE
The figure is made up of 6 identical quadrants and 2 identical semicircles. The radius of each quadrant is 14 cm. The unshaded area marked A is enclosed by 2 quadrants and 2 semicircles. (Take π = 3.14)