Lesson Explainer: Finding the Area of a Tri…
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Using Trigonometry Find the length of two adjacent sides and the included angle of the triangle. Use the formula Area = 1/2 ab sin C, where a and b are the lengths of the two sides and C is the measure of the included angle. Plug the values of a, b, and C into the formula and multiply them. The result is the area of the triangle. 1 Find the length of two adjacent sides and the included angle. Adjacent sides are two sides of a triangle that meet at a vertex. [14] ... 2 Set up the trigonometry formula for the area of a triangle. ...
Find the length of two adjacent sides and the included angle of the triangle.
Use the formula Area = 1/2 ab sin C, where a and b are the lengths of the two sides and C is the measure of the included angle.
Plug the values of a, b, and C into the formula and multiply them.
The result is the area of the triangle.
1 Find the length of two adjacent sides and the included angle. Adjacent sides are two sides of a triangle that meet at a vertex. [14] ...
2 Set up the trigonometry formula for the area of a triangle. ...
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