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Shown below is an interior angle from a regular polygon. Calculate the number of sides the polygon has. ......................... (2) 20. The diagram shows parts of two regular polygons A and B. A has 10 sides and exterior angle 3x. B has exterior angle 2x. Work out the number of sides regular polygon B has.
interior and exterior angles of polygons. Key Words • interior angle p. 181 • exterior angle p. 181 The definitions for interior angles and exterior angles can be extended to include angles formed in any polygon. In the diagrams shown below, interior angles are red, and exterior angles are blue. exterior angles interior angles 8.2 Angles in ...
Calculate the size of each interior angle. Question 5: Explain why this cannot be an interior angle from regular polygons. Question 6: A polygon has an interior angle that is Vive times larger than the exterior angle.
1 Work out the size of an exterior angle of a regular hexagon. (Total for question 3 is 2 marks) 3 Work out the size of each interior angle in a regular pentagon
Each exterior angle of a regular polygon is 30°. Work out the number of sides of the polygon. ..... (2 marks) 2. Work out the size of an exterior angle of a regular pentagon. .....° (2 marks) 3. Calculate the size of the exterior angle of a regular hexagon. .....° (2 marks) Diagram accurately drawn NOT Diagram accurately drawn NOT
Free worksheet on the interior angles of a polygon--includes visual aides, many practice problems, an exploratory activity, and a web based component.
interior angle is 4x. a) Use the relationship between interior and exterior angles to find x. b) Find the measure of one interior and exterior angle. c) Find the number of sides in the polygon and the type of polygon. 4) The measure of one interior angle of a regular polygon is 144°. How many sides does it have?
