A triangle with one angle equal to 90 degrees., A: right triangle, B: equilateral triangle, C: obtuse triangle, A triangle having three equal sides., A: acute triangle, B: equilateral triangle, C: right triangle, In equilateral triangle, all three angles are equal., yes, no, A triangle with one angle greater than 90 degrees., A: equilateral triangle, B: obtuse triangle, C: acute triangle, A triangle having at least two equal sides., A: acute triangle, B: isosceles triangle, C: equilateral triangle

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