Question

the perimeter of a rectangular field is 80 feet and its width is 10 feet. find the area of this field ?



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Answer 1

Answer:

perimeter of a rectangle = 2(l + b)

here,  80 feet= 2(l + 10 feet)

            40 feet=l +10 feet

               length = 30 feet

area of a rectangle = l x b

= 30 x 10

= 300 feet

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