Download 1.4 Prac WS - Lemon Bay High School

Name
1-4
Class
Date
Practice
Form K
Measuring Angles
Name each shaded angle in three different ways. To start, identify the rays that
form each angle.
1.
2.
3.
Use the diagram below. Find the measure of each angle. Then classify the angle
as acute, right, obtuse, or straight.
4. AFB
To start, identify AFB. Then use the definition of the measure of an angle to
find mAFB.
mAFB =
This angle is a(n)
?
angle.
5. AFD
6. CFD
7. BFD
8. AFE
9. BFE
10. AFC
Use the diagram at the right. Complete each statement.
11. MIG 
12. PMJ 
13. If mKJL = 30, then m
= 30.
14. If mLMP = 100, then mQHG =
.
Prentice Hall Foundations Geometry • Teaching Resources
Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved.
35
Name
1-4
Class
Date
Practice (continued)
Form K
Measuring Angles
15. If mFHI = 142, what are
mFHG and mGHI?
16. JKL is a right angle. What are
mJKM and mMKL?
Use a protractor. Measure and classify each angle.
17.
18.
19.
20.
Algebra Use the diagram at the right for
Exercises 21–23. Solve for x. Find the angle
measures to check your work.
21. mCGD = 4x + 2, mDGE = 3x − 5,
mEGF = 2x + 10
22. mCGD = 2x − 2, mEGF = 37, mCGF = 7x + 2
23. If mDGF = 72, what equation can you use to find mEGF?
24. The flag of the United Kingdom is shown
at the right. Copy the flag on a separate
piece of paper. Label at least two of each
type of angle:
a. acute
b. obtuse
c. right
d. straight
Prentice Hall Foundations Geometry • Teaching Resources
Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved.
36