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The definition of supplementary angles is: Two angles whose sum is 180 degrees.

It says nothing about their relative location, or any specific ratio of their sizes.

Q: Do suplementary angles have to be adjacent or congruent in order to add up to 180 degrees?

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Supplementary angles add up to 180 degrees

A square has all sides congruent so therefore adjacent sides are congruent or equal.Yes and it has 4 equal angles of 90 degrees

they can be but are not always. for example, in a square, each interior angle is 45 degrees. Adjacent simply means that one next to another and congruent means having the same measure. So in this example, adjacent angles are congruent. However, in a scalene triangle, no two angles are the same and therefore cannot be congruent. I hope this is what you are asking Dave

square and a rectangle

Draw to lines intersecting each other. The angles across from each other will be both congruent and adjacent

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Supplementary angles add up to 180 degrees

90 degrees

a suplementary angle is when 2 or more angles join to create a 180 degree angle, so if an acute angle is adjacent to another angle and the total number of degrees created is 180, then yes it is a suplementary angle.

Rhombus' Congruent AnglesIt's not the adjacent angles of a rhombus that are congruent, but the diagonal ones.

If all adjacent angles are congruent, it can only be a rectangle (or square).

Supplementary angles add up to 180 degrees

Adjacent angles of a square? You have to have at least two squares to compare the congruency of angles. Since all the angles of a square equal 90 degrees, adjacent angles of any TWO squares will be congruent. I suggest you look up the definition of CONGRUENT. - wjs1632 -

Rectangles have congruent adjacent angles.

A square has all sides congruent so therefore adjacent sides are congruent or equal.Yes and it has 4 equal angles of 90 degrees

they can be but are not always. for example, in a square, each interior angle is 45 degrees. Adjacent simply means that one next to another and congruent means having the same measure. So in this example, adjacent angles are congruent. However, in a scalene triangle, no two angles are the same and therefore cannot be congruent. I hope this is what you are asking Dave

An impossibility. By definition a quadrilateral with 4 congruent sides must have congruent adjacent angles.

90 degrees is the angle