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
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
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Level 1
Find the circumference of this circle. (Take π = 3.14)
Level 1
Find the circumference of this circle. (Take π = 3.14)
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Level 1
Find the circumference of this circle. (Take π = 3.14)
Level 1
Find the circumference of this circle. (Take π = 3.14)
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Level 1
Find the area of this circle. (Take π = 227)
Level 1
Find the area of this circle. (Take π = 227)
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Level 1
Find the area of this semicircle. Round off the answer to nearest 2 decimal place. (Take π = 3.14)
Level 1
Find the area of this semicircle. Round off the answer to nearest 2 decimal place. (Take π = 3.14)
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Level 1
Find the perimeter of this quadrant. Its radius is 4 cm. (Take π = 3.14)
Level 1
Find the perimeter of this quadrant. Its radius is 4 cm. (Take π = 3.14)
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Level 2 PSLE
Five identical semi-circles are arranged as shown. Find the diameter of one circle.
Level 2 PSLE
Five identical semi-circles are arranged as shown. Find the diameter of one circle.
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The figure is not drawn to scale. ∠PQR is a quadrant. Find ∠QRN.
The figure is not drawn to scale. ∠PQR is a quadrant. Find ∠QRN.
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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
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
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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.
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.
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Level 2
The figure consists of 2 squares and a circle. If the length of the bigger square is 10 cm, what is the area of the shaded part?
Level 2
The figure consists of 2 squares and a circle. If the length of the bigger square is 10 cm, what is the area of the shaded part?
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Level 2
Find the perimeter of the shaded parts. (Take π = 3.14)
Level 2
Find the perimeter of the shaded parts. (Take π = 3.14)
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Level 2
The circles are not drawn to scale. The small circle is with radius a and the big circle is with radius A. The ratio of a to A is 4 : 7. If the area of the small circle is 169π cm2, find A. Express the answer in mixed number.
Level 2
The circles are not drawn to scale. The small circle is with radius a and the big circle is with radius A. The ratio of a to A is 4 : 7. If the area of the small circle is 169π cm2, find A. Express the answer in mixed number.
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Level 2
The perimeter of the triangle WXY is 30 cm. Given that YW = 13 cm, WX = 12 cm, RY = PY and PX = QX, find the radius of the circle.
Level 2
The perimeter of the triangle WXY is 30 cm. Given that YW = 13 cm, WX = 12 cm, RY = PY and PX = QX, find the radius of the circle.
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Level 2
A chain is wrapped round two wheels which has a diameter of 8 m. Line AB is 12 m. Find the length of the chain. (Take π = 3.14)
Level 2
A chain is wrapped round two wheels which has a diameter of 8 m. Line AB is 12 m. Find the length of the chain. (Take π = 3.14)
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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?
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?
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Level 2
A rectangle is placed in a circle with O as the centre. Use the calculator value of π to find the shaded part of the circle. Correct the answer to 1 decimal place.
Level 2
A rectangle is placed in a circle with O as the centre. Use the calculator value of π to find the shaded part of the circle. Correct the answer to 1 decimal place.
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Level 2
The figure shows a triangle enclosed within a semicircle. X is the centre of the semicircle. Find the area of the shaded part. (Take π = 3.14).
Level 2
The figure shows a triangle enclosed within a semicircle. X is the centre of the semicircle. Find the area of the shaded part. (Take π = 3.14).
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Level 2
The figure is made up of an equilateral triangle and a semi-circle of diameter 21 m. Find the perimeter of the figure. (Take π = 227)
Level 2
The figure is made up of an equilateral triangle and a semi-circle of diameter 21 m. Find the perimeter of the figure. (Take π = 227)
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Level 2 PSLE
The figure is formed by joining two quarter circles of radius 3 cm. Find the perimeter of the figure. Round your answer to the nearest whole number. Take π = 3.14
Level 2 PSLE
The figure is formed by joining two quarter circles of radius 3 cm. Find the perimeter of the figure. Round your answer to the nearest whole number. Take π = 3.14
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