Question

Q1) length of each side of a square is 25cm.calculate the perimeter of the square.

Q2) what is the perimeter of a rectangle whose length is 20m AMD breadth is half its length ?

Answer 1

Ans 1.

$perimeter \: of \: square = \: 4 \times side$

$4 \times 25 = 100cm$

Ans 2.

$breadth = \frac{height}{2}$

$perimeter = 2(l + b)$

$2(20 + \frac{20}{2} )$

$2(20 + 10)$

$2 \times 30$

$60 \: cm$

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