SOLUTION: A trangular pane of glass has the height of 30 inches and an area of 270 square inches. What is the length of the base pane?

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Question 962263: A trangular pane of glass has the height of 30 inches and an area of 270 square inches. What is the length of the base pane?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
b=base; h=height=30 in; A=area=270 sq in
A=1/2bh Multiply each side by 2.
2A=bh Divide each side by h.
2A/h=b Put in values.
2(270 sq in)/30 in=b
540 sq in/30 in=b
18 in=b ANSWER: The base is 18 inches.