Question

Find the perimeter of a square whose area is 625 cm​

Answer 1

Answer:

100 cm

Step-by-step explanation:

PERIMETER OF A SQUARE=4×side(s)

AREA OF THE SQUARE=s²

GIVEN AREA=625 sq.m

FISRT WE HAVE TO FIND SIDE

s²=625

s=

$\sqrt{625}$

s=25 cm

NOW WE FIND THE PERIMETER OF THE SQUARE

=4×s

=4×25

=100 cm

Answer 2

Given :-

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• The perimeter of a square is 625 cm

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To Find :-

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• The area of that square

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Formula to be used :-

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$\qquad \bull \: \underline{ \boxed{ \sf Area_{square} = side \times side}} \\ \\ \\ \qquad \bull \: \underline{ \boxed{ \sf Perimete_{square} = 4 \times side}}$

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Solution :-

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First of all we will calculate the measure of the side of that square with area 625 cm². Using the formula we get :-

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$\sf \dashrightarrow \: side \times side = 625 \: {cm}^{2} \\ \\ \\ \sf \dashrightarrow \: {side}^{2} = 625 \: {cm}^{2} \\ \\ \\ \sf \dashrightarrow \:side = \sqrt{625 \: {cm}^{2} } \\ \\ \\ \sf \dashrightarrow \:side = \underline { \boxed{ \sf 25 \: cm}}$

Now, using the formula for perimeter of a square, we will calculate its perimeter, we get :-

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$\sf \dashrightarrow \:Perimeter =4 \times 25 \\ \\ \\ \sf \dashrightarrow \:Perimeter = \underline{ \boxed{ \sf100 \: cm}}$

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