Quiz 7-1-7-3.docx

Name _______________________________________ Date ___________________ Class ______________ CHAPTER

7

Section Quiz Lessons 7-1 Through 7-3

Choose the best answer. 1. Two points on a line are M(4, 5) and N(2, 9). Which ratio represents the slope of the line? A  B

2 3

1 7

C

6.Complete the similarity statement.

2 3

D 7

2. The ratio of the angle measures of a pentagon (5 sides) is 4 : 5 : 3 : 8 : 7. What is the measure of the smallest angle? F 27°

H 60°

G 40°

J 81°

3. Three sides of a triangle measure 0.5, 0.6, and 0.8. Two sides of a similar triangle measure 2 and 3.2. What is the length of the third side? A 0.06

C 1.28

B 0.8

D 2.4

4. An Eiffel Tower mural is 2 meters high and 0.77 meters wide. If the actual tower is 125 meters wide, how tall is it to the nearest meter? F 48 m

H 325 m

G 125 m

J 842 m

ABC  ? F ZYX

H XZY

G YZX

J XYZ

7. Rob is making a smaller replica armchair. The ratio of the length of the arm of the old chair to that of the new chair is 3 : 2. The arm of the old chair is 9 inches long. How many inches long will the arm of the new chair be? A 6

C 13

B 8

D 18

1 2

8. Which two triangles could you prove similar by AA ? F

H

G

J

5. Which is similar to this quadrilateral? 9. To measure the distance across a pond, a surveyor locates points A, B, C, D, and E as shown. What is AB to the nearest meter? A

C

B

D

A 10

C 15

B 12

D 18

Name _______________________________________ Date ___________________ Class ______________