When one of the numbers is greater or equal to the sum of the other two, then you can't have a triangle with those lengths.
there are isosceles and equilateral triangles
equilateral - all 3 sides and angles are the same
isosceles - 2 sides are the same but the third is diffrent
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Pick three numbers. If the square of the largest number is equal to the sum of the squares of the other two, then the three numbers could represent the sides of a right triangle.
Do you mean an equilateral triangle? Then it is a triangle that has three equal sides and three equal interior angles.
A triangle has three sides.A triangle with three equal sides is called an equilateral triangle.
An equilateral triangle has three sides that are equal in length and three angles that are equal.
A Triangle with three equal sides is called a Equilateral Triangle.