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Question
Complete the table below.
| Radius (r) | Diameter (d) | Circumference (c) |
| 7 cm | ...... | ...... |
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Solution
| Radius (r) | Diameter (d) | Circumference (c) |
| 7 cm | 14 cm | 44 cm |
Explanation:
Radius, r = 7 cm
Diameter, d = 2r
= 2 × 7
= 14 cm
∴ Circumference, c = πd
= `22/7xx14`
= 22 × 2
= 44 cm
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