80
The angles in a quadrilateral add up to 360 degrees.
So if 3 angles = 280 the fourth angle is 360-280 = 80
No. Only the sum of the measures of the angles of a triangle equal to 180 degrees; in the case of a quadrilateral it amounts to 360 degrees.
360 degrees
The sum is two straight angles or 360 degrees.
yes!! a square! a squares angles are all 90 degrees. and a quadrilateral with 2 90 degree angles, and 1 with 40 one with 50. very possible.
All acute angles measure 50 degrees. All obtuse angles are supplementary to the acute angles, so they measure 130 degrees.
There are only 4 possible numbers which could be measures of the angles for the quadrilateral. Each of the infinitely many other measures, such as 36.57 degrees, could NOT be the measure.
No. Only the sum of the measures of the angles of a triangle equal to 180 degrees; in the case of a quadrilateral it amounts to 360 degrees.
Each of the four interior angles of a square (i.e. a regular quadrilateral) measures 90 degrees
360 degrees.
360 degrees
The four angles of a quadrilateral add up to 360 degrees.
The 4 interior angles of any quadrilateral add up to 360 degrees
360 degrees
The interior angles of a quadrilateral always add up to 360 degrees.
All four interior angles in a quadrilateral add up to 360 degrees
To find the measure of the missing angle in a quadrilateral, you can use the fact that the sum of the interior angles in any quadrilateral is 360 degrees. If you know the measures of the other three angles, simply add them together and subtract that sum from 360 degrees. The result will give you the measure of the missing angle. If you provide the specific angles, I can help you calculate it directly!
The 4 interior angles of a quadrilateral add up to 360 degrees