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Mathematics 7 Online
OpenStudy (anonymous):

A flashlight is shining on the heads of People A, B, and C simultaneously. Person A is 4 feet tall. Person B is 5 feet tall. Person C is 7 feet tall. If the measure of angle x is 45°, how far away from the flashlight is each person?

OpenStudy (tpaulus):

use trigonometric functions like sine,cosine, and tangent. The inverse functions will give you the angle. Make sure your calculator is in radian mode

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