The length and breadth of a rectangle are 40cm and 10cm respectively. Find the perimeter of a square of area equal to that of the rectangle.
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Step-by-step explanation:
length of rectangle= 40cm
breadth of the rectangle = 10cm
area of rectangle= length x breadth
=(40 x 10) cm²
=400 cm²
area of rectangle= area of Square= 400 cm²
area of Square= (side)² = 400 cm²
side= √400 cm²
side = 20 cm
PERIMETER of Square = 4 x (side)
= 4 x 20 cm
= 80cm
hope this answer was helpful (:
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