Vocabulary
Name a shape that has no edges.
Circle
What is the circumference of a circle if:
the radius = 7 yds?
43.96
What is the circumference of a circle if:
the Diameter = 4 in
12.6 in
Trevor needs a new bicycle tire. His tire has a circumference of about 112 inches. What is the diameter of his tire? (round to the nearest tenth place)
35.66 in
What is the circumference of a circle with a diameter of 32 inches?
100.48 inches
Name the line in a circle that cuts it in half.
Diameter
What is the circumference of a circle if:
the radius = 9 yds?
56.5 yds
What is the circumference of a circle if:
the Diameter = 10 in
31.4 in
Gene’s frying pan Is 14.5 inches in diameter. What is the circumference of his frying pan? (round to the nearest tenth place)
45.5 in
What is the circumference of a circle with a radius of 2 yards?
12.56 yards
What do you call half of the Diameter?
Radius
What is the circumference of a circle if:
the radius = 8.4 yds?
52.8 yds
What is the circumference of a circle if:
the Diameter = 14 in
44 in
Brad is putting up a 10 foot diameter circular flower garden in his yard. He will put plastic edging along the flowerbed. How many feet of edging will Brad need to enclose his flower garden? (round to the nearest tenth place)
31.4
What is the circumference of a circle with a radius of 14 feet?
87.92 feet
The outside measurement of a circle. (Hint similar to Perimeter)
Circumference
What is the circumference of a circle if:
the radius = 7.4 yds?
46.5 yds
What is the circumference of a circle if:
the Diameter = 16.8 in
52.8 in
Macy measures a truck’s tire mark for one complete revolution as 120.48 inches long. What is the diameter of the tire? (round to the nearest tenth place)
38.4 in
What is the diameter of a circle if it has a circumference of 37.68 centimeters?
12 centimeters
The measurement of the inside of a circle
Area
What is the circumference of a circle if:
the radius = 11.8 yds?
74.1 yds
What is the circumference of a circle if:
the Diameter = 23.4 in
73.5 in
S The circular fountain in front of the courthouse has a radius of 9.4 feet. What is the circumference of the fountain? Round to the nearest tenth.
59 ft
What is the radius of a circle with a circumference of 125.6 inches?
20 inches