Ifa:b:c=2: √6 : (√3+1) then angle C =
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Given the ratio of sides of a triangle, Find angle A.
Explanation:
- Let there be a triangle ABC having sides of lengths a, b, and c, and The angle opposite to each side are A, B, and C respectively.
- The cosine rule gives us a formula for finding cosine of angles in a triangle using the side lengths of that triangle,
- Here we have the ratio of sides of the triangle.
- Hence, we get the corresponding sides as,
- Now from the cosine rule we get angle A as,
- Hence the angle A for the given triangle is
°.
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