Question

The perimeter and area of rectangular play ground are 80m and 384m2 respectively. Find the length and breadth of the playground

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

perimeter of paly ground =2(l+b)=80

l+b=40

l=40-b

area of rectangular play ground=lb=384

lb=384

(40-b)b=384

40b-b^2=384

b^2-40b+384=0

b^2-24b-16b+384=0

b(b-24)-16(b-24)=0

b=16,b=24

if b=16,thn l=40-16=24

if b=24,thn l=40-24=16

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