F(r) = 3.14r^2....and ur looking for f(5)....so basically all u do is sub in 5 for r.
f(5) = 3.14 * 5^2
f(5) = 3.14 * 25
f(5) = 78.50 <===
THE ANSWER IS 78.50
b Answer:
Step-by-step explanation:
Answer:
thanks lol
Step-by-step explanation:
2.03 *24 = 48.72................