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you cut the 2 inch by 4 inch piece of wood along the indicated diagonal. find the perimeter and area of the cross section formed by the cut. the piece of wood is 18 inches wide

Respuesta :

[tex]\begin{gathered} h=\sqrt[]{4^2+2^2}=\sqrt[]{20}=2\sqrt[]{5} \\ So\text{ the area is} \\ 18\cdot2\sqrt[]{5}=36\sqrt[]{5} \\ \text{and the perimeter is} \\ 2\cdot18+2\cdot2\sqrt[]{5}=36+4\sqrt[]{5} \end{gathered}[/tex]

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