Lesson T4.1.2
T4.1.2 Circles, perimeter and composite shapes Quiz: KS3 Maths, Unit 4
20 questions
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Lesson T4.1.2, Circles, perimeter and composite shapes: 20 multiple choice questions for the KS3 Maths (National Curriculum), Unit 4: Geometry and measures, written with Revision Ninja.
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The 20 questions
-
A circle has radius 5 cm. What is its circumference? Use π = 3.14.
- 78.5 cm
- 31.4 cm
- 62.8 cm
- 15.7 cm
-
A circle has radius 4 cm. What is its area? Use π = 3.14.
- 100.48 cm²
- 12.56 cm²
- 50.24 cm²
- 25.12 cm²
-
A circle has diameter 7 cm. What is its circumference? Use π = 3.14.
- 10.99 cm
- 153.86 cm
- 21.98 cm
- 43.96 cm
-
A semicircle has diameter 8 cm. What is its area? Use π = 3.14.
- 50.24 cm²
- 16 cm²
- 25.12 cm²
- 12.56 cm²
-
A semicircle has diameter 10 cm. What is its perimeter including the straight edge? Use π = 3.14.
- 25.7 cm
- 15.7 cm
- 31.4 cm
- 20 cm
-
Which formula gives the circumference of a circle?
- C = πr²
- C = π²d
- C = πd
- C = 2πd
-
Which formula gives the area of a circle?
- A = πr
- A = πr²
- A = 2πr
- A = πd²
-
A rectangle 10 cm by 6 cm has a 4 cm by 2 cm rectangle cut out of it. What is the remaining area?
- 68 cm²
- 52 cm²
- 48 cm²
- 60 cm²
-
What is the total area of two separate rectangles measuring 8 cm by 5 cm and 3 cm by 2 cm?
- 46 cm²
- 56 cm²
- 34 cm²
- 40 cm²
-
A circle has diameter 12 cm. What is its radius?
- 12 cm
- 3 cm
- 24 cm
- 6 cm
-
A circle has an area of 78.5 cm². What is its radius? Use π = 3.14.
- 5 cm
- 10 cm
- 2.5 cm
- 25 cm
-
A circle has a circumference of 31.4 cm. What is its diameter? Use π = 3.14.
- 20 cm
- 31.4 cm
- 5 cm
- 10 cm
-
A circular pond has a diameter of 4 m. How far is it around the edge? Use π = 3.14.
- 4 m
- 6.28 m
- 12.56 m
- 25.12 m
-
A wheel has a radius of 30 cm. How far does it travel in one full turn? Use π = 3.14.
- 94.2 cm
- 188.4 cm
- 60 cm
- 2826 cm
-
A circle of radius 3 cm is cut from a square of side 6 cm. What area of the square is left? Use π = 3.14.
- 18 cm²
- 11.1 cm²
- 7.74 cm²
- 28.26 cm²
-
What is the area of a quarter circle of radius 6 cm? Use π = 3.14.
- 28.26 cm²
- 56.52 cm²
- 113.04 cm²
- 14.13 cm²
-
A circle has a circumference of 25.12 cm. What is its area? Use π = 3.14.
- 50.24 cm²
- 12.56 cm²
- 100.48 cm²
- 25.12 cm²
-
A ring has an outer radius of 6 cm and an inner radius of 4 cm. What is its area? Use π = 3.14.
- 31.4 cm²
- 62.8 cm²
- 100.48 cm²
- 113.04 cm²
-
The largest circle that fits inside a square of side 10 cm has what area? Use π = 3.14.
- 100 cm²
- 25 cm²
- 314 cm²
- 78.5 cm²
-
A running track has two straight sections of 50 m and two semicircular ends of radius 20 m. What is the total length of one lap? Use π = 3.14.
- 200 m
- 225.6 m
- 125.6 m
- 314 m
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