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16 September, 00:02

A right triangle has an area of 13m squared. the dimensions of the triangle are increased by a scale factor of 3 what is the ares of the new triangle?

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  1. 16 September, 01:06
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    So, a right triangle with an area of 13m squared would have legs of 13 and 2.

    Scale factors is simply a number that multiplies the dimensions of a shape.

    So since, in this case the scale factor is three, then the dimensions of the new shape will be three times larger than the original.

    If I'm correct then

    13*3=39

    2*3=6

    A = 1/2bh

    A=117 m squared

    Now, the thing here is since it's squared, we must square our scale factor as well. 3^2=9 ... Does 13*9=117? Yes, so therefore we're correct!

    Use this formula next time!

    y=cx

    New # = scale factor * original dimension
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