The perimeter of a rectangular park is 150 cm. if the length is 40 cm, find its bredth. also find its area.
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Step-by-step explanation:
l= 40
perimeter of rectangle = 2 x ( l+ b )
150 = 2 x ( 40 + b )
150 = 80 + 2b
150 -80 = 2b
70/ 2 = b
b= 35
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