Answer :
nth term
an = a1 + (n-1) d
an = 4 + (9-1) 9
an = 4 + (8)9
an = 4 + 72
an = 82
24th term
an = 4 + (24-1) 9
an = 4 + (23) 9
an = 4 + 207
an = 211 is the answer
Hope it helped
Answer:
26 is the perimeter
Step-by-step explanation:
you add all of the side numbers just like this:
9+5+12= 26 :)
Hope this helped :D
