Answer: 48 square feet.
Step-by-step explanation:
So you can say 12x12 is 144. You know there are 4 sides. They will be all twelve as this is a square.
The perimiter is 12 plus 12 plus 12 plus 12 equals 48 square feet
1st Example: first term 5, and ratio r = 2
5 , 10 , 20 , 40 , 80, ...
2nd Example: first term 5, and ratio r = - 2
5 , - 10 , +20 , -40, +80, ....
Answer:
-71
Step-by-step explanation: