Find the Missing Angle

Find the Missing Angle

Assessment

Interactive Video

Mathematics

10th - 12th Grade

Hard

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The video tutorial explains how to find a missing angle in a triangle formed by intersecting lines. It covers the properties of vertical angles, supplementary angles, and the sum of angles in a triangle. By identifying congruent and supplementary angles, the tutorial demonstrates calculating the unknown angle, concluding that angle Y is 92 degrees.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how vertical angles are related in the context of this triangle.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the measure of the unknown angle in the triangle formed by angles 144 degrees and the unknown angle?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the sum of the interior angles of a triangle, and how does it apply to this problem?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Calculate the third angle of the triangle if the other two angles are 36 degrees and 52 degrees.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is angle Y considered to be 92 degrees in this triangle?

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