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) (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.
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