Answer :

Answer: 18 in.

Step-by-step explanation:

the formula for perimeter is A=2l+2w

Since 0.5ft is 6 inches and you have to multiply it by 2 you will get 12 inches

3 in x 2 is 6 inches

Then you add your products === 12+6

And you get 18 in.

Answer:

12

Step-by-step explanation:

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