SOLUTION: A flag in the shape of a triangle has an area of 20 ft2. How many feet long is the flag if its base is 5 ft?

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Question 956357: A flag in the shape of a triangle has an area of 20 ft2. How many feet long is the flag if its base is 5 ft?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
A=area=20 sq ft; b=base=5 ft; h=height=length
A=%281%2F2%29bh
20ft%5E2=%281%2F2%29%285ft%29h
20ft%5E2=2.5%28h%29ft Divide each side by 2.5 ft
8ft=h ANSWER: The height (length) is 8 feet.