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Some obtuse triangles are scalene?
Obtuse triangles can also be scalene if none of the sides are of equal length. Otherwise, it is an isosceles triangle.
Some equilateral triangles are not isosceles?
All isosceles triangles are not equilateral triangles
What is a triangle with unequal sides?
If no two sides of a triangle have the same length, then the figure is called a "scalene" triangle. Some (but not all) scalene triangles are also right triangles.
Shape with no symmetry?
Some shapes that fit that condition are parallelograms, scalene triangles, and trapezoids.
All equilateral triangles are also isosceles triangles?
True or False, depending on your definition of isosceles triangles!Actually, whether your answer is true or false depends upon your definition of an isosceles triangle. Some mathematicians define an isosceles triangle as one with at least two sides, while others define an isosceles triangle as one with exactly two sides. The latter definition is the more generally accepted one. Since an equilateral triangle has three, not exactly two congruent sides, people using the second definition of isosceles triangles would say that the statement is false, not true.False because an equilateral triangle has 3 equal sides whereas an isosceles triangle has only 2 equal sides
