360* degrees, as they have four sides and so 90x4 or any other combination for a non square shape.
Triangles have 180* degrees but ALL quads have 360* degrees...
hope that helped answer your question.
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180 degrees and for quadrilaterals there are 360 degrees. :)
All quadrilaterals have 4 interior angles that add up to 360 degrees.
360
A trapezium is a quadrilateral and, as with all quadrilaterals, its interior angles sum to 360 degrees.
All quadrilaterals (including parallelograms) have 360 degrees.