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प्रश्न
The sum of angles of a concave quadrilateral is ______.
विकल्प
more than 360°
less than 360°
equal to 360°
twice of 360°
उत्तर
The sum of angles of a concave quadrilateral is equal to 360°.
Explanation:
Sum of interior angles of a quadrilateral = 360° for both concave and convex quadrilateral.
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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
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