square
An equilateral triangle can also be called a "regular" triangle
A quadrilateral is inscribed in a circle it means all the vertices of quadrilateral are touching the circle. therefore it is a cyclic quadrilateral and sum of the opposite angles in cyclic quadrilateral is supplementary. suppose if one angle is A then another will be 180 degree - angle A.
A kite, for example. But the general quadrilateral, with no specific name, also has no parallel sides.
A "regular quadrilateral" is a square. The word "radius" isn't used for squares (or polygons in general). To get the length of a side, divide the perimeter by 4. To get the diagonal of a square, multiply the length of a side by the square root of 2.
A square
A square is a regular 4 sided quadrilateral
Each of the four interior angles of a square (i.e. a regular quadrilateral) measures 90 degrees
It is a regular 4 sided quadrilateral
It is a regular 4 sided quadrilateral
quadrangle. that is so frikken easy
Well, you are supposed to call an irregular quadrilateral an IRREGULAR QUADRILATERAL. Haha. There really isn't any name for a regular quadrilateral. You just call it a quadrilateral or whatever the shape is. You could call it a REGULAR QUADRILATERAL.
Square
square
A regular quadrilateral is a square. It is a four-sided figure with all sides being the same length and all angles equal (right angles).
the common name for it is conjoey and alactle
quadrilateral