Homework Help: geometry

Posted by jenna on Tuesday, January 29, 2013 at 11:00pm.

a ladder is placed next to a building to get to the top. the bottom of the ladder is placed 7 feet away from the building at an angle of 56 degrees.how tall is the building?

geometry - Reiny, Tuesday, January 29, 2013 at 11:29pm
basic trig ...

tan 56° = height/7
height = 7tan56° = ......

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