Q1 of 26 Page 25

Find the length of diagonal QS of a square PQRS if the length of diagonal PR is 8 cm.

The figure of square PQRS is given below:

As we know, In a square,


All the sides are equal.


i.e. PS = SR = RQ = PQ



Also, both the diagonals in a square are equal.


i.e. PR = QS


Now, PR = 8 units.


⇒ QS = 8 units.


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If, in the square ABCD, l(AB) = 4.5 cm, what are the lengths of the other sides of the square?

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