Circles: circumference and area worksheet



Circles: circumference and area worksheet

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1. Find the circumference of a circle of radius:

(a) 4 cm (b) 3 cm (c) 6 cm (d) 2.5 cm

2. Calculate the circumference of a circle with diameter:

(a) 6 m (b) 10 m (c) 5.6 m (d) 30 m

3. Work out the area of a circle of radius:

(a) 5 cm (b) 6 cm (c) 8 cm (d) 10 cm

4. Calculate the circumference and area of the following circles:

a) b) c)

d) e) f)

5. Find the area of a semicircle of radius:

a) 5 m b) 9 m c) 20 m d) 25 m

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18 cm

6 m

23 cm

4 cm

10 m

7 cm

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