Advertisements
Advertisements
Question
Classify the following curve as open or closed:
Advertisements
Solution
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:
Closed curve
APPEARS IN
RELATED QUESTIONS
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°?
Classify the following curve as open or closed:
Which of the following can never be the measure of exterior angle of a regular polygon?
The measure of each exterior angle of a regular pentagon is ______.
A nonagon has ______ sides.
Find the measure of each angle of a regular octagon.
Find the measure of an are exterior angle of a regular pentagon and an exterior angle of a regular decagon. What is the ratio between these two angles?
A regular pentagon ABCDE and a square ABFG are formed on opposite sides of AB. Find ∠BCF.
What is the maximum exterior angle possible for a regular polygon?
