Solve problems involving the measure of two adjacent angles.
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If you need to adapt or shorten this lesson for remote learning, we suggest prioritizing Anchor Task 2 (benefits from worked example). You might decide to facilitate this Anchor Task and Lesson 13's Anchor Task 2 before assigning Problem Sets from either lesson. Find more guidance on adapting our math curriculum for remote learning here.
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Grade 4 Mathematics > Module 4 > Topic C > Lesson 10 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..
Modified by Fishtank Learning, Inc.Measuring Angles, accessed on March 7, 2018, 1:52 p.m., is licensed by Illustrative Mathematics under either the CC BY 4.0 or CC BY-NC-SA 4.0. For further information, contact Illustrative Mathematics.
In the figure, $$ABCD $$ is a rectangle.
Finding an Unknown Angle, accessed on Feb. 20, 2019, 12:40 p.m., is licensed by Illustrative Mathematics under either the CC BY 4.0 or CC BY-NC-SA 4.0. For further information, contact Illustrative Mathematics.
Modified by Fishtank Learning, Inc.?
$${\angle ADC}$$ is a right angle.
a. Which of the following equations can be used to find the measure of $$\angle ADB$$?
a. $${34+z=90}$$
b. $${z-34=90}$$
c. $${34\times z=90}$$
d. $${90\div34=z}$$
b. What is the measure, in degrees, of $${{\angle ADB}}$$?
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