6. A delivery man started delivering the goods at 3:30 p.m. He took 1 1/2 hours to finish his round. What time did he finish? What is asked in the problem? *
A. The time the delivery man arrived.
B. The time the delivery man took the goods.
C. The time the delivery man started delivering.
D. The time the delivery man finished his round.

7. Which of the following is NOT true? *
A. The bigger the circle is, the bigger its circumference.
B. If the diameter increases, then the circumference of a circle decreases.
C. You can measure the circumference of a circle using a tape measure.
D. The circumference of any circle divided by its diameter is approximately equal to 3.14.

8. Which of the following is the best tool to measure the circumference of a circular garden? *
A. a ruler
B. a compass
C. a tape measure
D. a vernier caliper

9. Which of the following is the formula in finding the the circumference of a circle if the radius is given? *
A. C = Pi x d
B. C = r x d
C. C = Pi x r
D. C = 2 x Pi x r

10. If the radius is doubled, what happens to the diameter of the circle? *
A. The diameter remains the same.
B. The diameter is also doubled.
C. The diameter is increased by 2.
D. The diameter will be the same as the radius.​