Converse of Theorem 3

Q. Prove that every rectangle is a parallelogram.

Q. Question 13
Prove that the quadrilateral formed by the bisectors of the angles of a parallelogram is a rectangle.

Q. Prove that every rectangle is a parallelogram.

Q.

Prove that a parallelogram inscribed in a circle is a rectangle. [2 MARKS]

Q. In the parallelogram shown below, $\angle A=\angle C$

1. False
2. True

Q. In a quadrilateral ABCD, $\angle A={30}^{\circ },\angle B={150}^{\circ },\angle C={30}^{\circ }\text{and}$ $\angle D={150}^{\circ }$
Then ABCD is a

1. Rectangle
2. Kite
3. Trapezium
4. Parallelogram