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
In the figure, the circle is touching each of the two squares at exactly four points, if the area of the bigger square is 100 cm2, find the area of the smaller square.
2 m