Interior and Exterior Angles
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Q.
An exterior angle of a triangle is equal to degrees and two interior opposite angles are equal. Each of these angles is equal to :
Q. angles are formed by adjacent sides of the polygon at the vertices, whereas angles are formed by the sides of the polygon when an adjacent side is extended.
Q. The interior and exterior angle of a polygon together at a vertex form a linear pair.
- True
- False
Q. For the given polygon, find the angle ∠CDE.
degrees
Q. How many interior angles are there in a closed shape of 'n' number of straight edges?
number of interior angles
Q. For the given triangle, calculate the value of ∠C.
- 110∘
- 100∘
- 50∘
- 40∘
Q. Sum of measure of exterior angle and interior angle of a vertex on a polyon is
- 90o
- 180o
- 270o
- 360o
Q. The measure of an exterior angle can never be 180∘.
- True
- False
Q. Consider the following statements about exterior angles of a polygon:
Statement I: Sum of exterior and interior angle on a vertex of a polygon is 360o
Statement II: Number of exterior angles is equal to number of interior angles.
Statement I: Sum of exterior and interior angle on a vertex of a polygon is 360o
Statement II: Number of exterior angles is equal to number of interior angles.
- Only Statement I is correct.
- Only Statement II is correct.
- Both the statements are correct.
- Both the statements are wrong.
Q. The interior angle at a vertex of a pentagon measures 115∘, determine the value of the exterior angle at the same vertex.
- 75∘
- 65∘
- 85∘
- 45∘
Q. Exterior and interior angles of a polygon at a vertex are complimentary.
- True
- False