A perfect square
Four 90 degree angles and four equal sides
square
A square is a plane geometric figure having 4 equal sides and 4 right angles.
A regular polygon is a plane figure with equal sides and equal angles.
A regular polygon (a closed plane figure of straight lines) has all equal angles and all equal side lengths. For example, a square is a regular quadrilateral, because it's four edges are all the same length, and it's angles are all equal (90 degrees). A regular triangle is an equilateral triangle.An irregular polygon does not have equal sides and angles. N.B to be regular, a polygon must have both equal sides and equal angles. If a polygon has equal sides but unequal angles it is not a regular polygon.
A hexagon has six sides and six angles.
A rhombus has 4 equal sides with 2 equal acute angles and 2 equal obtuse angles
Yes, a parallelogram is a type of plane figure that has four straight sides and four angles. In a parallelogram, opposite sides are equal in length and parallel, while opposite angles are equal as well. Examples include rectangles, rhombuses, and squares, all of which are specific types of parallelograms.
Triangle is plane with three sides and three angles. The sum of its inside angles is equal to 180 degrees.
square
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equilateral parallelogram
square or rhombus
a plane figure having six sides is a hexagon
A rectangle is a plane figure with four straight sides and four right angles, esp. one with unequal adjacent sides. A square is a plane figure with four equal straight sides and four right angles. A rhombus is a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
A square is a plane geometric figure having 4 equal sides and 4 right angles.
A regular polygon is a plane figure with equal sides and equal angles.
If you mean EQUAL sides and angles, than an equilateral triangle.