Questions

181 P6.AP.TL.17090830

Level 3
The figure is made up of a quadrant, a square and a semicircle. The area of the square is 144 cm². Find the area of the shaded parts. (Take π = 3.14)

4 m

Attempt

182 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

Square Circumference Circle area Semicircle Composite figure perimeter Composite figure area

183 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

184 P6.AP.JC.23031301

Level 3 PSLE
Tom designed a logo as shown. The logo is made up of 2 small identical quarter circles, a large quarter circle and 2 straight lines drawn inside a square of side 42 cm. The radius of each small quarter circle is 14 cm.

What is the perimeter of the shaded part?
What is the area of the shaded part?

4 m

Attempt

Square Quarter circle Composite figure perimeter Composite figure area Boomerang

185 P6.FR.JO.21042215

Level 3 PSLE
A square, not drawn to scale, is made up of four triangles A, B, C and D. The area of A is ¹₁₀ the area of the square while the area of B is ¹₆ the area of the square.