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Grade 11Magical Mathematics[Interesting Approach]

-length is increased by 5 and breadth is decreased ny 10 thn total is 200m and whn length decreasd by 5 and breadth increasd by 15 thn total is 75 m, fing length

Profile image of doppalapudi sairam
15 Years agoGrade 11
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1 Answer

Profile image of SAGAR SINGH - IIT DELHI
15 Years ago

Dear student,

Here use perimeter of rectangle=2(l+b)

Put these values and solve the equation...

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Sagar Singh

B.Tech, IIT Delhi