12.56637
Step-by-step explanation:
A=πr2=π·22≈12.56637
The answer would be C and D
First you need to convert pounds to kilograms. 196 pounds is 88.904 kilograms. The directions tell you that 20 milligrams of the drug is to be administered for each kilogram of a person's weight. Now you need to multiply 88.904 by 20. That should give you 1778.08 milligrams of lincomycin. You would then mix 250 cc's of saline solution to the 1778.08 milligrams of lincomycin; but I think its just asking you how much lincomycin to administer.
Answer:
A: if you cut it parrallel to the base, it will take the shape of the base, and the base is a rectangle, so it will still be a rectangle.
B: if you cut it perpendicular to the base, it will take the shape of the side face, making it a square