20302

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

579

Question

Pillar draws a circle with a diameter of 3.2 cm.

What is the circumference of the circle to the nearest centimetre?

Worked Solution
CC = 2πr\large \pi r
= πd\large \pi d
= 3.142 ×3.142 \ \times 3.2
≈\approx 10 cm

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Pillar draws a circle with a diameter of 3.2 cm. What is the circumference of the circle to the nearest centimetre?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $C$ | = 2$\large \pi r$ | | | = $\large \pi d$ | ||= $3.142 \ \times$ 3.2| | | $\approx$ {{{correctAnswer}}} |
correctAnswer
10 cm

Answers

Is Correct?Answer
x

5 cm

x

6 cm

✓

10 cm

x

20 cm

Variant 1

DifficultyLevel

576

Question

Michail draws a circle with a diameter of 4.5 cm.

What is the circumference of the circle to the nearest centimetre?

Worked Solution
CC = 2πr\large \pi r
= πd\large \pi d
= 3.142 ×3.142 \ \times 4.5
≈\approx 14 cm

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Michail draws a circle with a diameter of 4.5 cm. What is the circumference of the circle to the nearest centimetre?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $C$ | = 2$\large \pi r$ | | | = $\large \pi d$ | ||= $3.142 \ \times$ 4.5| | | $\approx$ {{{correctAnswer}}} |
correctAnswer
14 cm

Answers

Is Correct?Answer
x

7 cm

x

9 cm

✓

14 cm

x

28 cm

Variant 2

DifficultyLevel

575

Question

Vanessa draws a circle with a diameter of 22.6 cm.

What is the circumference of the circle to the nearest centimetre?

Worked Solution
CC = 2πr\large \pi r
= πd\large \pi d
= 3.142 ×3.142 \ \times 22.6
≈\approx 71 cm

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Vanessa draws a circle with a diameter of 22.6 cm. What is the circumference of the circle to the nearest centimetre?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $C$ | = 2$\large \pi r$ | | | = $\large \pi d$ | ||= $3.142 \ \times$ 22.6| | | $\approx$ {{{correctAnswer}}} |
correctAnswer
71 cm

Answers

Is Correct?Answer
x

35.5 cm

✓

71 cm

x

142 cm

x

401 cm

Variant 3

DifficultyLevel

574

Question

Prince draws a circle with a diameter of 28 mm.

What is the circumference of the circle to the nearest millimetre?

Worked Solution
CC = 2πr\large \pi r
= πd\large \pi d
= 3.142 ×3.142 \ \times 28
≈\approx 88 mm

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Prince draws a circle with a diameter of 28 mm. What is the circumference of the circle to the nearest millimetre?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $C$ | = 2$\large \pi r$ | | | = $\large \pi d$ | ||= $3.142 \ \times$ 28| | | $\approx$ {{{correctAnswer}}} |
correctAnswer
88 mm

Answers

Is Correct?Answer
x

22 mm

x

44 mm

✓

88 mm

x

616 mm

Variant 4

DifficultyLevel

592

Question

Scott marks a circle on the ground with a diameter of 19.5 m.

What is the circumference of the circle to the nearest metre?

Worked Solution
CC = 2πr\large \pi r
= πd\large \pi d
= 3.142 ×3.142 \ \times 19.5
≈\approx 61 m

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Scott marks a circle on the ground with a diameter of 19.5 m. What is the circumference of the circle to the nearest metre?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $C$ | = 2$\large \pi r$ | | | = $\large \pi d$ | ||= $3.142 \ \times$ 19.5| | | $\approx$ {{{correctAnswer}}} |
correctAnswer
61 m

Answers

Is Correct?Answer
x

20 m

x

31 m

x

59 m

✓

61 m

Variant 5

DifficultyLevel

572

Question

Tommy draws a circle on the whiteboard with a diameter of 16.3 cm.

What is the circumference of the circle to the nearest centimetre?

Worked Solution
CC = 2πr\large \pi r
= πd\large \pi d
= 3.142 ×3.142 \ \times 16.3
≈\approx 51 cm

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Tommy draws a circle on the whiteboard with a diameter of 16.3 cm. What is the circumference of the circle to the nearest centimetre?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $C$ | = 2$\large \pi r$ | | | = $\large \pi d$ | ||= $3.142 \ \times$ 16.3| | | $\approx$ {{{correctAnswer}}} |
correctAnswer
51 cm

Answers

Is Correct?Answer
✓

51 cm

x

98 cm

x

102 cm

x

835 cm

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