Exterior Angles Of Polygons

Exterior Angles Of Polygons

Assessment

Interactive Video

Science, Physics, Chemistry, Arts, Architecture

6th Grade - University

Hard

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This video tutorial explains the concepts of interior and exterior angles in polygons. It begins with an introduction to angles in polygons and references a previous video for further understanding. The tutorial then delves into the nature of exterior angles, explaining their relationship with interior angles. It provides a detailed calculation of angles in a nonagon, demonstrating how to find both interior and exterior angles. The video highlights that the sum of exterior angles in any polygon is always 360 degrees, which is useful for determining the number of sides in a polygon. Key formulas for calculating these angles are summarized, and viewers are encouraged to engage with the content and ask questions.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of the exterior angles of any polygon?

720 degrees

540 degrees

360 degrees

180 degrees

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the exterior angle of a regular nonagon?

Subtract the interior angle from 180

Add the interior angle to 180

Multiply the number of sides by 180

Divide 360 by the number of sides

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the exterior angle of a regular polygon is 45 degrees, how many sides does it have?

6

8

12

10

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula to find the sum of interior angles of a polygon?

Number of sides * 360

(Number of sides + 2) * 180

Number of sides * 180

(Number of sides - 2) * 180

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you check first when calculating angles in polygons?

The size of the polygon

The type of angles in the polygon

Whether the polygon is regular or irregular

The color of the polygon