Question

Please solve this problem

Answer 1

Answer:

42ft

Step-by-step explanation:

Perimeter of the bulletin board = 2(l + b)

                                                    =2(9ft +12ft)

                                                    =2 x 21ft

                                                    = 42ft

Hope this answer helps you.

Answer 2

Answer:

The answer will be 42ft

hope this will help you