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Question
The sum of angles of a concave quadrilateral is ______.
Options
more than 360°
less than 360°
equal to 360°
twice of 360°
Solution
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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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° |
2 × 180° = (4 − 2) × 180° |
3 × 180° = (5 − 2) × 180° |
4 × 180° = (6 − 2) × 180° |
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