Question

Find the the breadth of a rectangle whose perimeter is 120 cm and length is 35cm.​

Answer 1

Answer:

Perimeter formula = 2(length +breadth)

120= 2(35+b)

= 120= 70-2b

= 120-70= 2b

= 50=2b

=b= 25

So, breadth =25cm

Answer 2

Answer:

2(l+b)=120

2(35+b)=120

70+2b=120

2b=120-70

2b=50

b=25

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