1.A race car drove around a circular track that was 0.5 mile. If 1 mile = 5,280 feet, what is the radius of the track, in feet? Use π = 3.14 and round to the nearest hundredth.
2.What is the circumference of a circle with a diameter of 28 cm? Approximate using pi equals 22/7.
3.A circle with a diameter of 36 inches is shown.
circle with diameter of 36 inches
What is the area of the circle using π = 3.14?
113.04 in2
452.16 in2
1,017.36 in2
4,069.44 in2