Level 1 PSLE
The circle has centre O. COF and AOE are straight lines. Which statement is correct? Give your answer in number. (Eg 1)
(1) Radius: OA; Diameter: CF
(2) Radius: DB; Diameter: AE
(3) Radius: AE; Diameter: OC
1 m
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 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
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