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Q: Is a triangle a regular polygon or just a polygon?

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A triangle may or may not be a regular polygon. Let's look into things.First, a triangle is a polygon. All triangles are polygons. To be a regular polygon, the polygon must have equal sides. If the triangle has sides of equal length, then that triangle is an equilateral triangle and a regular polygon. If the triangle doesn't have sides of equal length, then it isn't a regular polygon. But in any case, the triangle is a polygon.

A triangle (not traingle) is a polygon. It can be a regular polygon but need not be.

equilateral triangle

A regular pyramid has an equilateral triangle base, not just a regular polygon. It has an apex above the centre of the base.

A regular polygon is one which has all equal sides. But in an isosceles triangle, only 2 sides are equal. The third side has a different measure.Thus an isosceles acute triangle is not a regular polygon.

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A triangle may or may not be a regular polygon. Let's look into things.First, a triangle is a polygon. All triangles are polygons. To be a regular polygon, the polygon must have equal sides. If the triangle has sides of equal length, then that triangle is an equilateral triangle and a regular polygon. If the triangle doesn't have sides of equal length, then it isn't a regular polygon. But in any case, the triangle is a polygon.

A triangle is a polygon. An equilateral triangle is one in which all the sides are the same and all the angles are the same. Then it is a regular polygon.

A triangle (not traingle) is a polygon. It can be a regular polygon but need not be.

No, only an equilateral triangle is a rgular polygon.

A regular polygon

equilateral triangle is an example of regular polygon

equilateral triangle

No

No, but an equilateral triangle is a regular polygon with 3 equal sides and 3 equal angles.

A regular pyramid has an equilateral triangle base, not just a regular polygon. It has an apex above the centre of the base.

A regular polygon.

Only when its an equilateral triangle then it is a regular polygon

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