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Q.

A parallelogram each of whose angle measures $90^{\circ}$ is

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a

Rectangle

b

Rhombus

c

Triangle

d

Trapezium

answer is A.

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Detailed Solution

It is given that the parallelogram has each of its angle measures

90^{\circ} .

We know that, in a parallelogram, both the pairs of opposite sides are of equal length and parallel.
Opposite angles are equal and two adjacent angles are supplementary.
And we know that rhombus, triangle, and trapezium doesn’t have each of the angle equals to

90^{\circ} .

Question Image

And as rectangle is only a parallelogram, in which each angle measures

90^{o}

.
Hence, a parallelogram each of whose angle measures

90^{o}

is a rectangle.
therefore, option 1) is correct.

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