always
a circumscribed triangle is a circumscribed triangle and will always be
opposite angles are supplementary
Yes. A quadrilateral is any plane figure bounded by four straight lines. A parallelogram has both pairs of opposite sides parallel and is therefore a special kind of quadrilateral.
No. A quadrilateral is any four-sided figure. A trapezoid is one example of a quadrilateral.
false
False :]
always
a circumscribed triangle is a circumscribed triangle and will always be
A square, always, a rhombus, always, a parallelogram, always, and rectangles, always.
opposite angles are supplementary
It is a rectangle.
false
square
Diagonally opposite pairs of angles will always be equal, but the only time all angles in a quadrilateral parallelogram are equal is when that shape is a rectangle.
Yes. A quadrilateral is any plane figure bounded by four straight lines. A parallelogram has both pairs of opposite sides parallel and is therefore a special kind of quadrilateral.
That depends on what type of a 4 sided quadrilateral it is but in generals the 4 interior angles of any quadrilateral always add up to 360 degrees.