# geometry

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at a distance of 20m from a building, a person who is 3 m tall looks up at an angle of 25 degrees to see the top of the building. how tall is the building to the nearest meter?

• geometry -

Tangent25=(h+3)/20
solve for h.

This person is quite tall, almost 10 feet tall. He can dunk the basketball with arms horizontal. I wonder if your teacher has met a 3 meter tall person?

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