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Determine the distance from $A$ to the lamina’s centre of mass.
Mathematics 9709 · AS & A Level · Representation of data
Representation of data — practice question
A uniform lamina $ABCEFG$ is made from the square $ABDG$ by cutting away the smaller square $CDFE$ from one corner. $AB = 0.7\,\text{m}$ and $DF = 0.3\,\text{m}$ (see diagram).
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