In a parallelogram ABCD if ∠A = 37o, Find ∠B,∠C, ∠D.
108o, 72o, 108o
143o, 37o, 143o
80, 100, 80
45, 135, 45
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
The diagonals AC and BD of a parallelogram ABCD intersect each other at the point O. If ∠ DAC = 32° and ∠AOB = 70°, then ∠DBC is equal to :
24°
86°
38°
32°
Sum of any pair of consecutive angles of a parallelogram is
90o
270o
180o
360o
In a parallelogram, the diagonals are
Equal
All the above
Intersect at right angles
If in a quadrilateral only one pair of opposite sides are parallel, the quadrilateral is a
Parallelogram
Rectangle
Square
Trapezium
The figure obtained by joining the mid points of the sides of a rhombus, taken in order, is
A rhombus
A rectangle
A square
Any parallelogram
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
The diagonals of a rhombus
Bisect, Perpendicular
Equal, bisect
Equal, Perpendicular
None 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.