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Triangle ABC shown below has m∠B=36∘, a=5, and c=13. Find the area of the triangle.
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Triangle ABC shown below has m∠B=36∘, a=5, and c=13. Find the area of the triangle.

Triangle ABC shown below has m∠B=36∘, a=5, and c=13. Find the area of the triangle-example-1
User Hahakubile
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1 Answer

3 votes

Answer: 19.1 is correct

Explanation:

where a and c are the lengths of two sides of the triangle and C is the angle between them. To use this formula, we need to find side b and angle A.

We can use the Law of Cosines to find side b:

User Kidbrax
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