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1.
The quadrilateral whose diagonals are perpendicular to each other is:
2.
If AB and CD are two parallel sides of a parallelogram, then:
3.
Which of the following quadrilaterals have two pairs of adjacent sides equal and its diagonals intersect at 90 degrees?
4.
Each of the angles of a square is:
5.
Which of the following is not a quadrilateral?
6.
ABCD is a rectangle and AC & BD are its diagonals. If AC = 10cm, then BD is:
7.
The perimeter of a parallelogram whose parallel sides have lengths equal to 12 cm and 7cm is:
8.
Which one of the following is a regular quadrilateral?