Question

find the breadth of the rectangle whose length is 42m50 cm and the perimeter is 140 metre​

Answer 1

Answer:

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Answer 2

Answer:

Perimeter of rectangle =2(l+b)

Given perimeter =360cm

length (l)=140cm

2(140+b)=360

140+b=

2

2×180

140+b=180

b=180−140

b=40cm