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प्रश्न
The measure of ______ angle of concave quadrilateral is more than 180°.
उत्तर
The measure of one angle of concave quadrilateral is more than 180°.
Explanation:
Concave polygon is a polygon in which at least one interior angle is more than 180°.
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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
How many sides does a regular polygon have if the measure of an exterior angle is 24°?
Can it be an interior angle of a regular polygon? Why?
Classify the following curve as open or closed:
Following are some figures: Classify each of these fugures on the basis of the following:
(i) Simple curve
(ii) Simple closed curve
(iii) Polygon
(iv) Convex polygon
(v) Concave polygon
(vi) Not a curve
Find the number of side of a regular polygon, when of its angle has a measure of 160° .
The sum of angles of a concave quadrilateral is ______.
Which of the following can never be the measure of exterior angle of a regular polygon?
A polygon is regular if all of its sides are equal.
A regular pentagon ABCDE and a square ABFG are formed on opposite sides of AB. Find ∠BCF.
