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Circumference of a circle Flashcards | StudBud
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Circumference of a circle
Circumference of a circle
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Quiz to test knowledge on circles and circumference
Flashcards
10 cards
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Questions
10
Answers
1
What equipment do you need to quickly calculate the circumference of a circle?
A calculator
An exercise book
A pen
A pencil
2
What is pi to 2 decimal places?
3.14
3.41
3.12
3.51
3
What is the circumference of a circle of diameter 15cm?
30cm
47.1cm
15π cm
23.6cm
4
What is the circumference of a circle of diameter 8cm?
50.2cm
16cm
25.1cm
16π
5
The circumference of a circle is 28.3cm, what is the diameter of the circle to 1 decimal place?
4.5cm
9.0cm
18cm
9cm
6
The diameter of a circle is 14cm, what is the radius?
7m
7cm
28cm
7mm
7
The radius of a circle is 7.3cm. What is the circumference?
45.8cm
45.9cm
22.9cm
14.6π cm
8
The radius of a circle is 5cm, what is the diameter of the circle?
2.5cm
5cm
10cm
15.7cm
9
How do you calculate the circumference of a circle?
πD
2πr
3.14 x diameter
2 x 3.14 x radius
10
What is the circumference of a circle of radius 8cm?
16πcm
50.2cm
25.1cm
16cm
