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Math Help - Triangular Plot

  1. #1
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    Triangular Plot

    A triangular plot of land has sides that measure 5 meters, 7 meters,and 10 meters. What is the area of this plot of land, to the
    nearest tenth of a square meter?


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  2. #2
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    Quote Originally Posted by magentarita View Post
    A triangular plot of land has sides that measure 5 meters, 7 meters,and 10 meters. What is the area of this plot of land, to the
    nearest tenth of a square meter?

    Many ways of doing it. Here're two:

    1. Heron's Formula: Heron's formula - Wikipedia, the free encyclopedia

    2. Use the cosine rule to get an angle. Then use the area formula Area = \frac{1}{2} a b \sin C.
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    Smile great

    Quote Originally Posted by mr fantastic View Post
    Many ways of doing it. Here're two:

    1. Heron's Formula: Heron's formula - Wikipedia, the free encyclopedia

    2. Use the cosine rule to get an angle. Then use the area formula Area = \frac{1}{2} a b \sin C.

    Thanks again.
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