The formula for this is

. If the diameter is 8 the radius is 4, so filling in accordingly we have

and

which is

and when you multiply in 3.14 you get that A = 401.92 or B above.
Answer:
y=(3/5)x+1
Step-by-step explanation:
Answer:3/2
Step-by-step explanation:
Well the answer would be 8 as the total sum would be 6 x (8) = 48
Answer:
Step-by-step explanation:
產品 1 14 20 13
產品 2 15 11 18
產品 3 12 15 16