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The frame will have a solid base and wil...

The frame will have a solid base and will be cut out of a piece of steel, and to keep the weight down, the final area of the frame should be 28 sq cm. In order to input the right values in the CAD software, the engineer needs to calculate some basic things.



If the width of the frame is x cm, then the dimensions of the outer frame are:

A

(11 + x) and (6 + x)

B

(11 - x) and (6 - x)

C

(11 + 2x) and (6 + 2x)

D

(11 - 2x) and (6 - 2x)

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