Question

the perimeter of a land is 900cm and it's breadth is 100 cm .what is its length?​

Answer 1

Answer:

(Im sorry, I exchanged length and breadth. here, length is 350)

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Step-by-step explanation:

perimeter = 2(length + breadth)

900 = 2(100+b)

900 = 200 + 2b

2b = 900-200

b = 700/2

b = 350

hence, breadth = 350

Answer 2

Answer:

length = 350

Step-by-step explanation:

if land is a rectangle,

perimeter = 2(l+b)

                 = 2(l+100) = 2l+200

 900 = 2l+200

2l = 700

l=350