SOLUTION: A square photograph,9 inches on a side , is surrounded by a square frame. If the frame's width is 3 inches what is the area?
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Question 970734: A square photograph,9 inches on a side , is surrounded by a square frame. If the frame's width is 3 inches what is the area?
Answer by josgarithmetic(39625) (Show Source): You can put this solution on YOUR website!
You mean the UNIFORM WIDTH of the frame around the square picture is 3 inches.
Picture area, ;
Total area frame plus picture .
Area of just the surrounding frame, , and (1) this can be generalized and (2) the terms will cancel according to being present as additive inverses.
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