Question

The length of a rectangle is greater than its breadth by 3cm . if it's area be 10sq.cm, find the perimeter​

Answer 1

Answer:

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Answer 2

bredth= x

length = x+3

Area =10cm2

length × breadth = 10cm2

x(x+3) = 10

x2+3x=10

x2+3x-10=0

- b+_ root b2-4ac÷2a

x=2 or x= - 5

bredth= 2

length= 5

or

bredth= - 5

length = - 5

perimeter = 14