Questions

From Worst to Best

111 P6.AP.TL.17090844

Level 3
The figure shows 2 identical circles enclosed in a rectangle ABCD. Find the area of the shaded parts. (Take π = 3.14)

5 m

Attempt

112 P6.AP.TL.17090846

Level 3
The figure is made up of a big quadrant OWY a small quadrant OVZ and a square VXZO. The radius of the big quadrant OWY is 12cm. The area of the big quadrant is twice the area of the small quadrant OVZ. Using the calculator value of π, find the area of the shaded parts, correct to 2 decimal places.

5 m

Attempt

Square Circle area Quarter circle Composite figure area D Place values D Round off

113 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

Attempt

Square Triangle Circle area Semicircle Quarter circle Composite figure area

114 P6.AP.TL.17090849

Level 3
The figure is make up of 3 circles. The small circle has centre O and a radius of 6 cm. The big circle, has centre O and a radius of 10 cm. The diameter of the big circle cuts through the centre of the medium-sized circle and the small circle. The three regions formed are indicated as X, Y and Z.

Find the radius of the medium-sized circle.
Find the area of region Z. Use a calculator to obtain the value of π. (Round off to nearest 2 decimal places).
Express the area of the region Y as a ratio to the area of region X.

5 m

Attempt

Circle area Composite figure area D Place values D Round off Finding ratio R Simplest form

115 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.

What is the total area of the shaded parts?
What is the total perimeter of the shaded parts? (Take π = 3.14)

5 m

Attempt

Rectangle Circle area Semicircle Composite figure perimeter Composite figure area

116 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.

Find the perimeter of the mat.
Find the area of the mat. Take π = ²²₇.

5 m

Attempt

Semicircle Quarter circle Composite figure perimeter Composite figure area

117 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.

Find the perimeter of the rectangle.
Find the area of the figure. Take π = 3.14

5 m

Attempt

Square Rectangle Semicircle Quarter circle Composite figure area Square & square root

118 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.