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Is there such thing as a triangle that's angles that don't up to 180?
Wiki User
∙ 14y ago
Yes... and no.
Triangles in Euclidian space, or a Euclidian plane - the kind usually considered in school - always add up to 180 degrees.
However, other kinds of geometry have been invented, for example, triangles on a sphere. The "lines" that make up those "triangles" are the major circles - the sides of the triangles are thus the shortest distance between those points (along the surface of the sphere). It is interesting to note that the angle excess - the amount above 180 degrees - of such a triangle is directly proportional to the triangle's area.
Wiki User
∙ 14y ago
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angles dont have lengths, but degrees. it s an equilateral triangle ( length 3X the same, angle 3X 60°)
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Can a right triangle have an angle that measure79 degrees and one that measures 47 degrees and one that measures 54 degrees?
If you mean right angled triangle then the answer is "no" a right angled triangle must have one angle 90 degree if you dont then answer is "yes" cause the sum of angles is equal to 180 degree
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