Math, asked by samayragill2, 1 month ago

Aliza is decorating a rectangle shaped bulletin board in the school lobby length of the board is 18cm and breadth is 12cm she decides to add a black border around the entire board what is the length of the border that she need

Answers

Answered by bookworm2008

1

Answer:

60cm

Step-by-step explanation:

Formula for perimeter of a rectangle = 2 x ( l + b )

= 2 x ( 18 + 12 )

= 2 x 30

= 60cm

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