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 thenearest tenth of a square meter?

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- Sep 27th 2008, 05:24 AMmagentaritaTriangular PlotA 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*?

- Sep 27th 2008, 06:04 AMmr fantastic
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 . - Sep 27th 2008, 10:36 PMmagentaritagreat