B. Direction: Analyze and solve each of the following problems. Show your solution.
1) A bike wheel has a diameter of 10 cm. What is the circumference of the wheel?
2) A minute-hand of a clock is 6 cm long. Find the distance travelled by the tip of
the minute-hand in one hour.
3) If a circle has a 25 meter radius, then what is the circumference?
4) Find the circumference of the circular garden with a radius of 3 meters.
5) A bicycle wheel is 14 cm in radius. What is the circumference of the wheel rim?