A rectangle has length 8 m and breadth 9 m . What will be perimeter of a square, having area twice to that of the rectangle ? {Answer is 48}
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Answer:
rectangle's area= l× b = 8×9 = 72m
squares area = twice of rectangle's area
= 2×72
= 144m
area of square is therefore equal to 144
the formula for area of square is s2( 2 here is the power of 2 and s is the variable for side)
so s2= 144
s= root of 144
= 12
so one side length is 12 m
so perimeter of square = 4s
= 4× 12= 48m
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