McGraw Hill Math Grade 4 Chapter 13 Lesson 4 Answer Key Adding Angle Measures

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Practice the questions of McGraw Hill Math Grade 4 Answer Key PDF Chapter 13 Lesson 4 Adding Angle Measures to secure good marks & knowledge in the exams.

McGraw-Hill Math Grade 4 Answer Key Chapter 13 Lesson 4 Adding Angle Measures

Solve

Write an equation to solve each problem.

Question 1.
∠ABC measures 68°.
∠CBDmeasures 45°.
What is the measure of ∠ABD?
McGraw Hill Math Grade 4 Chapter 13 Lesson 4 Answer Key Adding Angle Measures 1
Answer:
68°+ 45° = 113°

Question 2.
∠WAYmeasures 107°.
∠YXZmeasures 57°.
What is the measure of ∠WXZ?
McGraw Hill Math Grade 4 Chapter 13 Lesson 4 Answer Key Adding Angle Measures 2
Answer:
164°

Explanation:
∠WAYmeasures 107°
∠YXZmeasures 57°
107 + 57 = x
Add 107 and 57
107 + 57 = 164
So, ∠WXZmeasures 164°.

Question 3.
A padlock is turned 29°. Then it is turned another 52°. How many degrees was the padlock turned in all?
McGraw Hill Math Grade 4 Chapter 13 Lesson 4 Answer Key Adding Angle Measures 3
Answer:
81°

Explanation:
A padlock is turned 29°
Then it is turned another 52°
29 + 52 = x
Add 29 and 52
29 + 52 = 81
So, the padlock is turned 81° in all.

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