7.2 Review Worksheet (continued)
Find the length of each segment. 6. BC and CD
7. ST and TU
z 2
z – 4
C
B
D
12
10
A
7.2.2 Using Proportional Relationships 8. Jenny is 5 ft 2 in. tall. To find the height of a light pole, she measured her shadow and the pole’s shadow. What is the height of the pole?
5 ft 2 in.
15.5 ft
7 ft 9 in.
Use the following information for Exercises 9 and 10. This is a map of the Mars Exploration Rover Opportunity’s predicted landing site on
0.45 cm
J
N
Mars. The scale is 1 cm:9.4 km. What are the approximate measures of the actual length and width of the ellipse? 9. KJ 10. NP
P
K
A park at the end of a city block is a right triangle with legs 150 ft and 200 ft long. Make a scale drawing of the park using the following scales. 11. 1.5 in.:100 ft 12. 1 in.:300 ft 13. 1 in.:150 ft
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