Question 962322
{{{A=L*W}}}
{{{A[new]=3L*3W=9*LW=9A}}}: Area is 9 times greater than original.

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{{{P=2(L+W)}}}
{{{P[new]=2(3L+3W)=3*2(L+W)=3P}}} Perimeter is 3 times greater than original.