SOLUTION: A rectangular frame with a 1 inch margin is placed around a rectangular picture with dimension a of 8inches by 10inches. What's the area of the frame itself in square inches?
A)40
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Question 1089915: A rectangular frame with a 1 inch margin is placed around a rectangular picture with dimension a of 8inches by 10inches. What's the area of the frame itself in square inches?
A)40
B)44
C)48
D)52
Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
.
the area of the frame itself = (8+2)*(10+2) - 8*10 = 10*12 - 80 = 120 - 80 = 40 sq. inches.
The area of the BIG rectangle minus the area of the SMALL rectangle.
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