Question

The perimeter of a rectangle is 82cm and its area is 400 sq.cm. find out the breadth of the rectangle.​

Answer 1

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Answer 2

Answer:

Area of rectangle = l × b = 400

perimeter = 2( l + b ) = 82

l + b = 41

x² –41x + 400 = 0

x² – 25x – 16x + 400 = 0

x = 25,16

b = 25 cm or b = 16 cm

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