Question

If one side of square is increased by 5 metres and other side is reduced by 5 , a rectangle is formed whose peremeter 30m.Find side of original square​

Answer 1

Step-by-step explanation:

A square has four equal sides.

So perimeter of a square p=4a

Where a is he length of any one side of the square.

Given p=30cm

⇒4a=30

⇒a=

4

30

=7.5cm

Area of a square A=a

2

⇒A=(7.5)

2

=56.25

Therefore,

We get =56.25cm

2

Answer 2

Answer:

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Step-by-step explanation:

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