1. A diagonal of a rectangle is inclined to one side of the rectangle at 25º. The acute angle between the diagonals is

2. If the bisectors of all four angles of a parallelogram are made to intersect each other then the new quadrilateral thus formed will be a:

3. ABCD is a parallelogram and AP and CQ are perpendiculars from vertices A and C on diagonal BD

Which of the following is true based on given information

4. If APB and CQD are two parallel lines, then the bisectors of the angles APQ, BPQ, CQP and PQD form

5. Two diagonals of a rhombus ABCD are intersecting each other at point O. What is the value of ∠DOC?

6. The figure obtained by joining the mid-points of the sides of a rhombus, taken in order, is

7. A diagonal of a rectangle is inclined to one side of the rectangle at 35°. The acute angle between the diagonals is

8. Name the quadrilateral formed by joining the mid-points of all four sides of a rectangle.

9. Which of the following is/are the necessary condition(s) for a quadrilateral to be a parallelogram?

10. In the given figure, ABCD is a parallelogram. Find the value of x

11. In the following figure, ABCD and AEFG are two parallelograms. If ∠C = 60°, then ∠GFE is

12. ABCD is a trapezium with AB =10cm, AD=5 cm, BC=4 cm and DC =7 cm?

Find the area of the ABCD

13. ABCD is a trapezium where AB||DC. BD is the diagonal and E is the mid point of AD. A line is draw from point E parallel to AB intersecting BC at F. Which of these is true?

14. If one angle of a parallelogram is 75^o, then find its other three angles.

15. ABCD is a rhombus such that ∠ACB = 40º. Then ∠ADB is