The answer depends on what it is that is being summed: the length of the sides or diagonals, the angle measures, something else.
360
The sum of the angles in a quadrangle is 360 degrees.
If the question is, what is the sum of the angles of a quadrangle, then the answer is 360 degrees.Quadrangle is another name for quadrilateral. A quadrangle alone cannot assume a sum of any sort, but the length of its sides or the measurement of its angles can.
360 degrees
The sum of the angles in a quadrangle is 360 degrees, whatever the side lengths.
i don't know it this helps, but the sum of the angles in a quadrangle is 360 !
360 degrees.
2*pi radians (360 degrees).
Multiply half of the sum of the lengths of the top and bottom by half of the sum of the lengths of both sides
There are a number of ways of proving that the sum of the interior angles of a polygon, which has n sides, is (n - 2)*180 degrees.In the case of a quadrangle, n = 2 and so the angle sum is (4 - 2)*180 = 2/180 = 360 deg.
The sum of all four angles inside any 4-sided figure is always 360 degrees.
If a circle (equalling 360 degrees) is cut into four pieces, then rearranged a bit, it will become to look like one quadrangle or another. That is why a quadrangle, no matter HOW messed up, will still equal 360 degrees when its angles are added up.