Deducing a Formula for Sum of Interior Angles of a Polygon
Trending Questions
(a) Is it possible to have a regular polygon with measure of each exterior angle as 22∘?
(b) Can it be an interior angle of a regular polygon? Why?
(b) What is the maximum exterior angle possible for a regular polygon?
(a) What is the minimum interior angle possible for a regular polygon? Why?
- 90∘
- 70∘
- 80∘
- 60∘
The number of sides in a polygon is always a/an
Whole Number
Natural Number
Integer
Rational Number
In the given figure, ABCD is a square and DEC is equilateral.
The value of x is
15°
45°
30°
20°
Is it possible to have a polygon whose sum of interior angles is 56 right angles?
Yes
No
Sum of interior angles of a polygon of (n+1) sides =
(n−1)×180∘
(2n−2)×180∘
(n−2)×180∘
(2n−4)×90∘
Fill in the blanks to make the statements true.
The sum of interior angles of a polygon of n sides is
- True
- False
Find x in the following figures.
The regular polygon whose exterior angle is 40∘ is a:
Decagon
Octagon
Heptagon
Nonagon
If the interior angle of a regular polygon is double the exterior angle, the polygon has
8
7
5
6
- 90o
- 120o
- 110o
- 80o
Find the value of angle x in the following figure.
90∘
70∘
80∘
60∘
- n right angle
- 2n right angle
- (n - 4) right angle
- 4 right angle
The minimum number of sides in a polygon is ________.
4
2
5
3
- 1800