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प्रश्न
Classify the following curve as open or closed:
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उत्तर
Open curve: A curve in which the beginning and end point is different or do not cut each other.
Closed curve: A curve in which the beginning and end point is the same and cut each other.
By the above definitions, we can classify the given figure as follow:
Open curve
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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
Find the measure of each exterior angle of a regular polygon of 9 sides.
Find the measure of each exterior angle of a regular polygon of 15 sides
Draw rough diagram to illustrate the following Closed curve .
Classify the following curve as open or closed:
State the name of a regular polygon of 3 sides.
The measure of each angle of a regular pentagon is ______.
is a polygon.
A polygon is regular if all of its sides are equal.
is a concave pentagon.
