Consecutive angles of a parallelogram are
Supplementary
Complementary
Equal
None of these
In one angle of a parallelogram is right - angle, then it is necessarily a
Trapezium
Rectangle
Square
Rhombus
In a parallelogram if diagonals are equal in length then it is
Two opposite angles of a parallelogram are ( 5x - 3 ) o and (51 - x ) o, Find the measures of each angle of a parallelogram.
42o, 138o, 42o, 138o,
72o, 108o, 72o, 108o
80o, 100o, 80o, 100o
45o, 135o, 45o, 135o
Which of the following is not true for a parallelogram?
Opposite sides are equal
Opposite angles are equal
Opposite angles are bisected by the diagonals
Diagonals bisect each other
In a parallelogram, the diagonals are
All the above
Intersect at right angles
Quadrilateral formed by joining the midpoints of a rhombus is
None
A quadrilateral has
4 sides
4 vertices
2 diagonals
All of these
The figure formed by joining the mid points of the sides of a quadrilateral ABCD taken in order, is a square only if
ABCD is a rhombus
Diagonals of ABCD are equal
Diagonals of ABCD are equal and perpendicular
Diagonals of ABCD are perpendicular.
The diagonals of a rhombus
Bisect, Perpendicular
Equal, bisect
Equal, Perpendicular