Angle Addition Postulate
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Objective
I can apply the angle addition postulate to solve for unknown angles using simple algebraic expressions.
Part 1 of 3
Warm-up video
Unknown Channel · 5:00
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
7 questions
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?
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.
Part 3 of 3
Exit ticket
Quick comprehension check
“If angle A measures (2x + 15)° and angle B measures (3x - 5)°, and they combine to form angle C which measures 100°, find the value of x. Show all work. Given that angle D measures (4y + 10)° and angle E measures (5y - 20)°, and they together equal 90°, determine the value of y. Show all work. ”
Sample answer included in the free materials
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Teacher Guide
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