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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

Given : all angles are equal in a quadrilateral required to be proved : measure of each angle solution : let each angle be " x " because all the angles are equal the sum of the angles of the quadrilaterals is 360 x + x + x + x = 360° 4x = 360° x = 360° / 4 ∴ x = 90° the measure of each angle in the quadrilateral is 90° --------------------------------------------------------------------------------------------------- hope so my answer is useful and mark as best if possible ..!!