You have 1 apple left... Just 1..
From 100 to 80 is 8/10, so the recursive formula is
an=a(n-1)*1/8
or
an= a1*1/8(n-1)
an=a1*(n-1)/8
519/6=86.5
915/7=130.7142
439/7=62.7142
812/9=90.2222
so i think its the 1st on but i may be wrong.
Answer:
Blue circle=9π-28.284
Yellow circle=23/2π-36.128
Step-by-step explanation:
the circumfrence is worked out using the equation =pi x diameter
hope this helps ;) xx