# ALGEBRA WKST by liaoqinmei

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```									Proof Geometry                                         NAME_____________________________________ HR_____
WKST 1.4
CHAPTER 1 SECTION 4                                    DATE_____/_____/_____ SCORE:____________
In each box, describe, illustrate and name each figure indicated.

Figures

Line Segment                              Ray                               Angle

Describe:                               Describe:                         Describe:

Draw:                                   Draw:                             Draw:

Name:                                   Name:                             Name:

In the cells sketch and give an example for each.

CAT  FSH
→                          An example of the Angle
Sketch

Equation

Refer to the figure.

1. Name the vertex of 4. __________

2. Name the sides of BDC. __________

3. Write another name for DBC. __________

4. Name the sides of 2._____________

5. Write another name for 1._______

6. Name an obtuse angle.___________
Measure each angle in the figure and classify it as right, acute, or obtuse and explain why.

7. MPR __________; __________ b/c_______________________________________

8. RPN __________; __________ b/c ______________________________________

9. NPS __________; __________ b/c                                             ______

10. SPM __________; __________ b/c                                                     ______
→                         →         →
For Questions 11 & 12, QS bisects PQT, and QP and QR are opposite rays.

11. If mPQT = 60 and mPQS = 4x + 14,                 12. If mPQS = 3x + 13, and mSQT = 6x – 2,
find the value of x.                                   find mPQT.

x = __________                                         mPQT = __________
→        →                        →                         →
For Questions 13 -16, BA and BC are opposite rays, BF bisects CBE, and BD bisects ABE.

13. If mEBF = 6x + 4 and mCBF = 7x – 2,              14. If m1 = 4x + 10 and m2 = 5x, find m2.
find mEBC.

mEBC = __________                                     m2= __________

15. If m2 = 6y + 2 and m1 = 8y – 14,                 16. Is DBF a right angle? Explain your answer.
find mABE.

________________________________________________

________________________________________________

mABE = __________                                     ________________________________________________

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