Posted by **Denisse** on Sunday, January 6, 2013 at 6:42am.

Two buildings with flat roofs are 60m apart. From the roof of the shorter building, 40m in height, the angle of elevation to the edge of the roof of the taller bldg. is 40°. How high is the taller bldg.?

- trigonometry -
**Steve**, Sunday, January 6, 2013 at 6:45am
h = 40 + 60tan40°

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