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?

Answer:

68°+ 45° = 113°

Question 2.

∠WAYmeasures 107°.

∠YXZmeasures 57°.

What is the measure of ∠WXZ?

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?

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.