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If only two sides of a triangle are the same length it is an isosceles triangle.

If all three sides are the same length it is an equilateral triangle.

Q: What type of triangle has two sides the same length?

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A triangle with sides of length 5,6, and 7 is a Scalene triangle.It cannot be an equilateral triangle as all three sides must be of equal length.It cannot be an isosceles triangle as this requires two sides of the same length.It cannot be a right angled triangle as 52 + 62 does not equal 72.

The word 'Triangle' means 'three angles' more archaicly, a 'trigon'. It is also a collective noun for different shapes of triangles. OBTUSE ; one of the angles in a triangle is greater than 90 degrees. By summation it means the other two angles musr be less than 90 degrees, SCALENE ; All the sides and all the angles are different. This type of triangle my exhibit obtuse characteristics. ACUTE ISOSCELES ; All the angles are less than 90 degrees. Two of the three angles are the same size, and two of the three sides are the same length. NB It is possible to have an OBTUSE Isosceles. triangle. There is a fourth type of triangle, which is a 'RIGHT ANGLED' triangle. In this case one angle is 90 degrees. This type of triangle may be ISOSCELES or SCALENE. NB For ALL triangles, drawn on a plane surface, the sum of the interior angles is ALWAYS 180 degrees. However, for triangles drawen on a curved surface; a sphere , the EARTH, the sum of the interior angles may add up to 360 degrees.

an iscoceles triangle

scalene triangle

A triangle with three equal sides and three equal angles is called an equilateral triangle.

Related questions

scalene

equalateral

If the three sides are all of the same length, then it is an equilateral triangle.

a equilateral triangle has all the sides the same length.

the type of triangle is an equilateral triangle, meaning that all three sides are the same length and angle

An Equilateral

I believe its an isosceles triangle

A scalene triangle has three sides of different lengths.An isosceles triangle has two sides of the same length while an equilateral triangle has all sides of an equal length.

If it is a triangle, it is considered isosceles.

A triangle that has two equal sides is called an Isosceles Triangle. It has two sides that are the same length and one side that is a different length. But for it to be a triangle, all the angles in the triangle have to add up to equal 180 degrees.

An isosceles triangle is not a regular triangle because it has 1 side that doesn't equal the other 2. For it to be a regular triangle it will need to have all sides the same length. Here are the three types of triangle classification: In a equilateral triangle or also known as regular triangle "all" sides must have the same length. In an isosceles triangle "at least" two sides must have the same length. In an scalene triangle all sides must be of different lengths Therefor it can be said that a regular triangle is a type of isosceles triangle since it has at least 2 sides of the same length. But remember if one side changes length and 2 remain the same it becomes an isosceles, if all sides are of different lengths then it becomes scalene.

Scalene Triangle