Answer:
56 ft
Step-by-step explanation:
the perimeter is simply the sum of all its sides.
(6a+8)+(12a)+(6a+8)+(10a-4)
34a + 16 - 4
34a + 12.
1.50
8 x 1.50=12
25-12=13
13-4=9
9/6=1.5
your answer is a ok i hope this helpful
