An triangle with 2 equal angles.
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An isosceles triangle may have a right angle, but a right angle is not a requirement of all isosceles triangles.
The third angle of an isosceles triangle doesn't have a name.
An isosceles triangle has two equal sides and two equal angles. A right triangle is any triangle with one angle that is a right angle. A right triangle could also be an isosceles triangle, but an isosceles triangle will not always have a right angle.
yes a trapezium does have a reflex angle
A 115 degree angle is classified as obtuse. Scalene and isosceles refer to types of triangles.