The area of the top of a triangular corner desk must be at least 7 sq. ft. If the base of the triangular desk top needs to be four feet, what should the height be?

Answer 1

A = 1/2bh
7 = (1/2) * 4h
7 / (1/2) = 4h
7 * 2 = 4h
14/4 = h
? = h

Answer 2

7/2=h
3.1/2

Answer 3

3.5