Question

the perimeter of a rectangle is 200cm length is 70cm find breadth ​

Answer 1

Hey mate!!

Answer:

The perimeter of a rectangle = 2( l + b )

=> 200 cm = 2 ( 70 + b ) cm

=> 200 cm = 140 + 2b

=> 200 - 140 cm = 2b

=> 60 cm = 2b

=> 60/2 = b

30cm = b or b = 30cm

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