多选题: A quadrilateral that can be inscribed in a circle is also called a cyclic quadrilateral.Which of these quadrilaterals are always cyclic . A.parallelograms kites B.isosceles trapezoids C.rhombuses D.rectangles E.squares. 圆内接四边形又称为联圆四边形,下列是联圆四边形的有 A.平行四边形;B.等腰梯形;C.菱形;D.矩形;E.正方形. |