Unknown Vertical Angles

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Exploration

GR. 6-8

Skill:

Use properties, definitions, and theorems of angles and lines to solve problems related to adjacent, vertical, complementary, supplementary, and linear pairs of angles.

Unknown Vertical Angles

Discover a process for finding the measure of a vertical angle in this interactive activity.

Putting It All Together

Answer these open ended questions on your own or with others to form deeper math connections.

Open-ended question 1

What do the measures of vertical angles have in common?

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Open-ended question 2

If you know the angle measure of one vertical angle and the other is twice an unknown value, how could you find the unknown?

Text and maths input