A graduated cylinder that is 24 cm tall can hold 1 L of water.

a. What is the radius of the cylinder? (round to the nearest hundredth)
b. What is the height of the 500 ml mark?
c. The 250 ml mark?

Recall that 1 liter (L) is equal to 1000 milliliters (ml).
Due soon, please I don't understand.