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Which expression shows the area of the these three rectangles?a. 3+(6•2+x)b. 3•(6•2+x)c. 3+(6•(2+x))d. 3•(6•(2+x))

Which expression shows the area of the these three rectangles?a. 3+(6•2+x)b. 3•(6•2+x-example-1
User KLE
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Lets suppose that the there are three rectangles with the measures given on the picture. Then, the area of one rectangle is:


\begin{gathered} A=b\cdot h \\ \Rightarrow A=6\cdot(2+x) \end{gathered}

then, the area of three triangles is:


3\cdot A=3\cdot(6\cdot(2+x))

User Mlapaglia
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