Prove that the sum of the angles of any quadrilateral is 360 July 8, 2019 16 32 64 128 Prove that the sum of the angles of any quadrilateral is 360 degrees The angle sum of a quadrilateral In a right triangle one angle measures x° where sin ° = x 4 5 . what is cos(90° − °) x Сумма деген эмне 2 класс
