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Mathematics, 05.01.2021 19:00 morgans53005

13. Mrs. Robinson assigned her class a project to find the height of a flagpole. The students could not easily measure the height, so they had to use their knowledge of similar triangles (modeled below) to determine the height of the flagpole.
One student placed a mirror on the ground 21 feet from the base of the flagpole and backed up until the reflection of the
top of the pole was centered in the mirror. If the student is 5.4 feet tall and is standing 7.2 feet from the mirror, how tall is
the flagpole?
A. 3.6 ft
B. 15.75 ft
C. 18.5 ft
D. 19.2 ft
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