A rectangle and a square has the same area. The side length of the square is 8 cm. What is the perimeter of the reactangle if its breadth is 4 cm?
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Answer:
40 cm
Step-by-step explanation:
ar(rectangle)=ar(square)
L×B=side²
L×4=8²
L=64/4
L=16 cm
perimeter of rectangle=2(L+B)
=2(16+4)
=2×20
=40 cm
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