Regular interior and exterior angles (and mean of irregular)
Regular interior and exterior angles (and mean of irregular)
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Lesson details
Key learning points
- In this lesson, we will learn how to calculate the mean interior and exterior angles of n-sided polygons, and solve problems based on these formulae.
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
The mean interior angle of a quadrilateral is...
180 degrees
360 degrees
45 degrees
Q2.
The mean exterior angle of a pentagon is...
108 degrees
360 degrees
60 degrees
Q3.
If I have a regular polygon with an exterior angle of 5 degrees, how many sides does my polygon have?
36 sides
5 sides
50 sides
Q4.
A square would have both an interior and exterior angle of 90 degrees
False
Q5.
If I had a shape with 180 sides, what would the mean exterior angle be?
180 degrees
3 degrees
4 degrees