Question

a square and a rectangle have the same perimeter. the length and breadth of the rectangle are 5 centimetre and 3 centimetre respectively. find the length of the side of the square.​

Answer 1

Answer:

perimeter of rectangle = 2×(l+b)

=2×(5+3)

=2×8=16

side of square = perimeter÷4

=16÷4=4

so the answer is 4 cm

Answer 2

Answer:

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Step-by-step explanation:

They gave that the perimeter of both rectangle and a square are the same and also the given dimensions of the rectangle are

l=5cm

b=3cm

Hence, the perimeter = 2(l+b)=2(5+3)=2(8)=16cm

perimeter of square=perimeter of rectangle =16cm

If the side of the square is 'a' (let )

then perimeter=(4a)

=>(4) (a) = 16 .       =>a=16/4

=>a = 4cm

Therefore the length of the side of the square is 4cm

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