SOLUTION: a rectangular picture 6cm by 8cm is enclosed by a frame ½cm wide. calculate the area of the frame.

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Question 1014692: a rectangular picture 6cm by 8cm is enclosed by a frame ½cm wide. calculate the area of the frame.
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
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a rectangular picture 6cm by 8cm is enclosed by a frame ½cm wide. calculate the area of the frame.
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Exterior dimensions of the frame are 6 + 2* = 7 cm  and  8 + 2* = 9 cm.

The area of the frame is

7*9 - 6*8 = 63 - 48 = 15 .


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