21.12 is 25.6% of 82.5. I hope this helps. :)
Y2-Y1. 77-11 66 11
———— = ———- = —- = —
X2-X1 42-6 36 6
Answer:
d) 9pi/8
Step-by-step explanation:
25pi/8 - 2pi
(25-16)pi/8
9pi/8
Answer: 18
Step-by-step explanation: 4/3 times 6/5
Is 8/3, flip to 3/8. Use galgo technique: 18
