A non equal sided polygon is called a quadrilateral, or quadrangle.
An isosceles triangle
equilateral traingle
An equilateral triangle.
A four-sided solid is called a tetrahedron.
A traingle is a 3 sided figure that is somteimes always equal.
Equal sided = equilateral.
A non equal sided polygon is called a quadrilateral, or quadrangle.
traingle right triangle and left triangle
An isosceles triangle
equilateral traingle
a regular polygon
a quadrilateral
An equilateral triangle.
A non-descript four sided figure is a quadrilateral.
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There are three equal sides in an equilateral triangle.