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Question
The name of three-sided regular polygon is ______.
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Solution
The name of three-sided regular polygon is equilateral triangle.
Explanation:
Equilateral triangle, as polygon is regular, i.e. length of each side is same.
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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 |  |
 |
 |
 |
| Side | 3 | 4 | 5 | 6 |
| Angle sum | 180° |
2 × 180° = (4 − 2) × 180° |
3 × 180° = (5 − 2) × 180° |
4 × 180° = (6 − 2) × 180° |
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a) 7
b) 8
c) 10
d) n
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