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प्रश्न
State the name of a regular polygon of 3 sides.
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उत्तर
A polygon that has equal sides and equal angles is called a regular polygon.
Equilateral triangle:
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संबंधित प्रश्न
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° |
What can you say about the angle sum of a convex polygon with number of sides?
a) 7
b) 8
c) 10
d) n
What is a regular polygon?
Find the measure of each exterior angle of a regular polygon of 9 sides.
Can it be an interior angle of a regular polygon? Why?
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Classify the following curve as open or closed:
Which of the following is an equiangular and equilateral polygon?
If the sum of interior angles is double the sum of exterior angles taken in an order of a polygon, then it is a hexagon.
A regular pentagon ABCDE and a square ABFG are formed on opposite sides of AB. Find ∠BCF.
