Two buildings are on a flat horizontal ground. The angle of elevation from the top of the shorter building to the top of the taller...

Two buildings are on a flat horizontal ground. The angle of elevation from the top of the shorter building to the top of the taller is 20⁰ and the angle of depression from the top of the top of the shorter building to the bottom of the taller is 30⁰. If the taller building is 80m, how far apart are they?

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Kavungya answered the question on March 27, 2019 at 13:28

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