i have a math problem where i need to find the area of a scalene triangle. i dont know how to find the area because i dont have the height, i just have the dimensions:330,270 and 240. Help would be much apreciated.

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- October 30th 2006, 10:35 PMrobmaster[SOLVED] Need help please
i have a math problem where i need to find the area of a scalene triangle. i dont know how to find the area because i dont have the height, i just have the dimensions:330,270 and 240. Help would be much apreciated.

- October 30th 2006, 10:52 PMclassicstrings
I think you can use the cos rule then sin rule for area of triangle.

cosA = (330^2 + 270^2 - 240^2 )/ (2 * 330 * 270)

Then use the angle value in this.

0.5 * 330 * 270sin(A) = Area of triangle. - October 31st 2006, 03:39 AMCaptainBlack