3
QuizMultiple Choice

Unit Test — Unit test

Question 3 • TX-Mathematical Models with Applications A

Michele wanted to measure the height of her school’s flagpole. She placed a mirror on the ground 48 feet from the flagpole, then walked backwards until she was able to see the top of the pole in the mirror. Her eyes were 5 feet above the ground and she was 12 feet from the mirror. Using similar triangles, find the height of the flagpole to the nearest tenth of a foot.

Question illustration
Answer
A
20 ft
B
38.4 ft
C
55 ft
D
25 ft
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