Level 1
Find the circumference of this circle. (Take π = 3.14)
1 m
Level 1
Find the circumference of this circle. (Take π = 3.14)
1 m
Level 1
Find the area of this circle. (Take π = 227)
1 m
Level 1
Find the area of this semicircle. Round off the answer to nearest 2 decimal place. (Take π = 3.14)
1 m
Level 1
Find the perimeter of this quadrant. Its radius is 4 cm. (Take π = 3.14)
1 m
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
Level 3
The figure is made up of a circle, a triangle and a square of sides 8 cm. The radius of the circle is 7 cm. The ratio of the area of the circle to the shaded area of the circle is 7 : 3. The ratio of the area of the square to the area of the triangle is 1 : 4. Given that 14 of the square is shaded, what is the total area of the unshaded figure? (Take π = 227)
4 m
Level 2 PSLE
Five identical semi-circles are arranged as shown. Find the diameter of one circle.
2 m
The figure is not drawn to scale. ∠PQR is a quadrant. Find ∠QRN.
2 m
Level 2 PSLE
The figure shows two circles. The diameter of the big circle is 4 times the diameter of the small circle. The diameter of the big circle is 56 cm. Find the area of the shaded part. Take π = 227
2 m