Angle Addition Postulate
Grade 11•45 minutes
Learning Objective
I can apply the angle addition postulate to solve for unknown angles using simple algebraic expressions.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. If angle A and angle B are adjacent angles and angle A measures 45°, what is the measure of angle B if they together form a straight angle?
2. Given that angle X measures (3x + 10)° and angle Y measures (2x - 20)°, and they combine to form angle Z which measures 90°, find the value of x.
3. If angle P measures (4y + 15)° and angle Q measures (5y - 5)°, and together they equal 180°, determine the measure of angle P.
...and 4 more questions
Educational Video
1.4 Angle Addition Postulate with algebra
Jeffrey Bannish