Question

22
Calculate the circumference. Given the following diameters, use
T
7
1. 30 cm
6. 12 cm
2. 15 m
7. 22 in.
3. 40 ft
8. 34 m
4. 20 cm
9. 10m
5. 8 m
10. 34 cm​

Answer 1

$circumference \: = \: 2\pi \: r$

1. 22/7×30 = 94.2 cm
2. 22/7×12 = 37.68 cm
3. 22/7×15 = 47.1 cm
4. 22/7×22 = 69.08 cm
5. 22/7×40 = 125.01 cm
6. 22/7×34 = 106.76 cm
7. 22/7×20 = 62.8 cm
8. 22/7×8 = 25.12 cm
9. 22/7×34 = 106.76 cm

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