If a parallelogram is inscribed in a circle, then it must be a ________.A.rectangleB.triangleC.trapezoidD.rhombusSUBMITarrow_backPREVIOUS

True or False? If a circle is circumscribed about a parallelogram, the parallelogram must be a rectangle.A.TrueB.FalseSUBMITarrow_backPREVIOUS

In parallelogram ABCD, D is a right angle. Is ABCD a rectangle?A.Cannot be determinedB.YesC.No

Question 13 of 25True or False? If a circle is circumscribed about a parallelogram, the parallelogram must be a rectangle.A.TrueB.False

A parallelogram is a quadrilateral with two opposite sides  Blank 1 Question 1 .A rectangle is a parallelogram that has all four angles equal to  Blank 2 Question 1 ∘∘.A rhombus is a parallelogram with all four sides  Blank 3 Question 1 .A square is a  Blank 4 Question 1 with all four sides equal.A trapezium is a quadrilateral with  Blank 5 Question 1 pair of opposite sides parallel.A kite is a quadrilateral with two pairs of  Blank 6 Question 1 sides equal.

Explain how a square is(a) a quadrilateral. (b) a parallelogram.(c) a rhombus. (d) a rectangle