A triangle that has two sides of equal length is an isosceles triangle.
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It depends on the triangle, whether it's an isoscelese, scalene, equlateral, obtuse, right angle or acute triangle. All the angles have to add up to 180 degres no matter what, so a right angle triangle could be 90, 45 and 45.
none - it's an isoscelese triangle it doesn't have right angles. It has two equal angles (both acute) and one other andgle (also acute)
any triangle is a triangle
acute angled triangle,right angled triangle,obtuse angled triangle,isosceles triangle,equilateral triangle, scalene triangle
equilateral triangle , isosceles triangle , scalene triangle