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An equilateral triangle has all sides measuring the same and an isosceles triangle has 2 sides congruent, so they are not the same.

Every equilateral triangle is also an isosceles triangle, but not every isosceles triangle is an equilateral triangle.

Isosceles = at least two equal sides

Equilateral = three equal sides

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Q: Is an equilateral triangle also isosceles?

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An equilateral triangle is a special type of isosceles so an isosceles triangle can not be described as an equilateral triangle so, any equilateral triangle can be an isosceles triangle but an isosceles triangle can not be an equilateral triangle

The contrapositive would be: If it is not an isosceles triangle then it is not an equilateral triangle.

No because an equilateral has 3 equal sides whereas an isosceles has 2 equal sides

No, not at all, all isosceles triangles aren't equilateral since an equilateral triangle is a triangle with all of its sides equal, i.e. all sides of an equilateral triangle are equal, but in an isosceles triangle only two of its sides are equal.

No because an isosceles triangle has two equal sides but an equilateral triangle has three equal sides.

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An equilateral triangle is a special type of isosceles so an isosceles triangle can not be described as an equilateral triangle so, any equilateral triangle can be an isosceles triangle but an isosceles triangle can not be an equilateral triangle

No. An equilateral triangle is also isosceles, but isosceles is not scalene.

No

No, none of the equilateral triangle will be isosceles.

Are isosceles triangle sometimes an equilateral triangle

It can be scalene or isosceles but not equilateral.

Not ... exactly. It would be closer to accurate to say that an equilateral triangle is a special case of the isosceles triangle.All equilateral triangles are (also) isosceles; but most isosceles triangles are not equilateral.

The contrapositive would be: If it is not an isosceles triangle then it is not an equilateral triangle.

An isosceles triangle has two congruent sides, and An equilateral triangle is a special isosceles triangle in which all three sides are congruent.Therefore, all equilateral triangles are isosceles

No because an equilateral has 3 equal sides whereas an isosceles has 2 equal sides

An equilateral TRIANGLE is not an isosceles ANGLE. However, all equilateral triangles are isosceles triangles. By definition, an isosceles triangle has at least two sides that are congruent. An equilateral has three sides that are congruent, thus an equilateral triangle is an isosceles triangle.

Any isosceles triangle which is not also an equilateral triangle. An equilateral triangle would have three.

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