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false
Sometimes but not always depending on what type the 4 sided quadrilateral is.
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.
square
No? Wouldn't they then be supplementary? Opposite rays make a straight angle/line, and if the exterior sides made the straight angle, the adjacent angles would be supplementary. ...Right?
No, they are supplementary.
False :]
false
opposite angles are supplementary
false
Sometimes but not always depending on what type the 4 sided quadrilateral is.
False because it will have 2 equal opposite obtuse angles and 2 equal opposite acute angles with the 4 angles adding up to 360 degrees.
always
a circumscribed triangle is a circumscribed triangle and will always be
A square, always, a rhombus, always, a parallelogram, always, and rectangles, always.
Not normally but quite possible in the form of an isosceles trapezoid.
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.