" If i.Explain why a rectangle is a convex quadrilateral."

What is a Convex Quadrilateral?

Prove that any rectangle is a cyclic quadrilateral.

Prove that, any rectangle is a cyclic quadrilateral.

Prove that, any rectangle is a cyclic quadrilateral.

What is the sum of the measures of the angles of a convex quadrilateral? Will this property hold if the quadrilateral is not convex? (Make non-convex quadrilateral and try!)

What is the sum of the measures of the angles of a convex quadrilateral? Will this property hold if the quadrilateral is not convex? (Make a non-convex quadrilateral and try!)

What is the sum of the measures of the angles of a convex quadrilateral?Will this property hold if the quadrilateral is not convex?(Make a non-convex quadrilateral and try).