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Lesson: Exterior Angles of a Polygon

In this lesson, we will learn how to identify the exterior angles of a polygon and find their sum.

Sample Question Videos

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01:28
02:03

Worksheet • 7 Questions • 3 Videos

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?

  • Ano
  • Byes

Q3:

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

Q4:

In the figure π‘š ∠ 𝐷 𝑀 𝐴 = 4 1 ∘ . What are π‘š ∠ 𝐸 𝐷 𝑀 and π‘š ∠ 𝐸 𝑀 𝐷 ?

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

Q5:

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

Q6:

In the figure, use the information given to determine .

Q7:

Determine π‘š ∠ 𝐡 𝐸 𝐢 .
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