Isosceles describes a triangle where 2 of the 3 sides are equal length.
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Assuming you are referring to a triangle. In Euclidean, or plane geometry, always to 180 degrees. In non-Euclidean geometry either more or less than 180 degrees.
No. It is not possible in Euclidean planar geometry (if you don't know what that means, it means "the only kind of geometry you've ever heard of") for a triangle to have two obtuse angles.
There are 5 main types: equilateral, isosceles, right angle, scalene and obtuse
a triangle is a three sided shape. there are 4 types of triangles: scalene, isosceles, right angled triangle and an equilateral triangle.
While no record of anyone drawing an isosceles rhombus has ever been recorded, it has been speculated by the wisest sages of geometry, i.e. Mr. Hogan, that it does actually exist and whoever has the master math mind to draw one will be endowed with consummate knowledge of the geometric universe.