###### Asked in Geometry

Geometry

# Can the law of cosines be applied to right and non-right triangles?

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## Related Questions

###### Asked in Math and Arithmetic, Algebra, Geometry

### Do all triangles have right angle?

No. Only right triangles do, and not all triangles can be right
triangles. Equilateral triangles, for example, are always
60°-60°-60°. Isosceles and scalene triangles can be right
triangles; all isosceles triangles have the additional useful
property of being able to be split into two right triangles.

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