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3 September, 10:52

Taylor is experimenting with the area of rectilinear shapes. She says, "If a shape has an area of 19 cm2, the length of it could be 38cm.

Is she correct? Explain why.

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  1. 3 September, 11:07
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    Step-by-step explanation:

    Recall that the formula for the area of a rectangle of length L and width W is

    A = LW.

    What if the area is 19 cm^2 and the length is 38 cm? Solving the above equation for W, we get

    W = A/L

    and if we let A = 19 cm^2 and L = 38 cm, then W would be W = (19 cm^2) ? (38 cm) = (1/2) cm. The rectangle would be very narrow, but certainly possible.
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