the perimeter is simply the sum of all its sides.
(6a+8)+(12a)+(6a+8)+(10a-4)
34a + 16 - 4
34a + 12.
Answer:
The answer is the option D

Step-by-step explanation:
we have

Multiply by
both sides

Rewrite

Not sure if your the same person but I had already done the work for this problem....
1st and 2nd pictures are for finding area and 3rd picture is for finding perimeter
hope you understood well and if not and you can ask again
Answer:
40
Step-by-step explanation:
4 lots of 10 is 10+10+10+10 or 4 x 10