Question

prove that an isosceles trapezium is always cyclic

Answer 1

Since the opposite angles are supplementary, an isosceles trapezium is a cyclic quadrilateral. ... Thus, ABCD is a rectangle as each internal angle is 90°. 8. If the non-parallel sides of a trapezium are equal,prove that it is cyclic.

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Answer 2

diagonal have the same length The base angle have same measure the segment that joins the midpoint of The parallel side is perpendicular to them opposite angles are supplementary which interns implies that isosceles trapezium is always cyclic