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Question
Draw rough diagram to illustrate the following Closed curve .
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Solution
Closed curve: A curve in which the beginning and the end points are the same and cuts each other.
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RELATED QUESTIONS
Examine the table. (Each figure is divided into triangles and the sum of the angles deduced from that.)
| Figure |  |
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| Side | 3 | 4 | 5 | 6 |
| Angle sum | 180° |
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3 × 180° = (5 − 2) × 180° |
4 × 180° = (6 − 2) × 180° |
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