Question

the length of breadth of that rectangle whose length is 42m50cm and perimeter is 140metres

Answer 1

We have,

Length = 42.5 m

Perimeter = 140 m

Now,

P = 2 (l + b)

140 = 2( 42.5 + b)

70 = 42.5 + b

b = 70 - 42.5 m

b = 27.5 m

Breadth of the rectangle is 27.5 m.