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2. (a) Area of parallelogram = base × height |
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(b) Area of parallelogram = base × height |
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3. (a) Perimeter = sum of all sides |
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(b) Perimeter = sum of all sides |
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(c) Perimeter = sum of all sides |
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(d) Perimeter = sum of all sides |
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4. (a) Circumference = πd |
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(b) Circumference = πd |
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5. (a) Area of field = length × width |
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(b) 1 hectare = 10 000 m2 |
6. (a) 1010 cm2 (b) 108 cm2 (c) 104 cm2
7. (a) Area of shape = 10 × 2 + 8 × 2 |
(b) Area of shape = 12 × 10 − 6 × 4 |
8. (a) Area of shape = 12 × 6 − 4 × 5 |
(b) Area of shape = π × 62 − π × 42 |