Worksheet: Exterior Angles of a Polygon

In this lesson, we will practice identifying the exterior angles of a polygon and find their sum.

Q1:

What is the sum of the measures of the exterior angles of a hexagon?

Q2:

Dalia is experimenting with the exterior angles of a triangle. She colours the angles, cuts them out, and sticks them together as seen in the figure. Will angle fit in the space to complete the circle?

  • Ayes
  • Bno

Q3:

What is the measure of the exterior angle of an equilateral triangle?

Q4:

In the figure 𝑚 𝐷 𝑀 𝐴 = 4 1 . What are 𝑚 𝐸 𝐷 𝑀 and 𝑚 𝐸 𝑀 𝐷 ?

  • A 8 2 , 4 9
  • B 4 1 , 1 6
  • C 8 2 , 8 2
  • D 8 2 , 1 6

Q5:

What is the sum of the exterior angles of a triangle?

Q6:

In the figure, use the information given to determine .

Q7:

Determine 𝑚 𝐵 𝐸 𝐶 .

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