Vocabulary
Name the line segment that goes from one edge of the circle to the other, but not necessarily through the center.
Chord
What is the circumference of a circle if:
the diameter = 14 yds?
43.96 yd
What is the circumference of a circle if:
the radius = 2 in (round to nearest tenth)
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)
35.7 in
Find the circumference of each circle in terms of π if the diameter is 16 ft.
16π ft
Name the line segment that cuts a circle in half
Diameter
What is the circumference of a circle if:
the diameter = 18 yds?
56.52 yds
What is the circumference of a circle if:
the radius = 12 in (round to nearest tenth)
75.4 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
Find the circumference of each circle in terms of π if the radius is 5 in.
10π in
What do you call half of the diameter?
radius
What is the circumference of a circle if:
the diameter = 16.8 yds? (round to nearest tenth)
52.8 yds
What is the circumference of a circle if:
the radius = 7 in (round to nearest tenth)
44 in
Brad uses 31.4 meters of plastic edging to create the border of a circular flower garden in his yard. How far is it from the center of the garden to the edge?
5 m
Find the circumference of each circle in terms of π if the radius is 15 yd.
30π yd
What is the distance around a circle called?
Circumference
What is the circumference of a circle if:
the diameter = 14.8 yds? (round to nearest tenth)
46.5 yds
What is the circumference of a circle if:
the radius = 8.4 in (round to nearest tenth)
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
Find the circumference of each circle in terms of π if the radius is 10 yd.
20π yd
What is the measure of all of the inside of a circle called?
Area
What is the circumference of a circle if:
the diameter = 11.8 yds? (round to nearest tenth)
37.1 yds
What is the circumference of a circle if:
the radius = 11.7 in (round to nearest tenth)
73.5 in
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
Find the circumference of each circle in terms of π if the radius is 12 in.
24π in