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Posted by on Tuesday, November 8, 2011 at 10:35am.

the ratio of the area of a smaller triangle to the area of a larger triangle is 1:4. if the are of the smaller triangle is 30, find the area of the larger triangle.

  • geometry - , Tuesday, November 8, 2011 at 3:10pm

    1:4 = 30:A
    or,
    1/4 = 30/A
    or
    4 = A/30
    A = 120

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