Vocabulary
Name the collection of points equidistant from a point called the center
Circle
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
What is the area of a circle with radius 7 meters?
153.94 meters2
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
What is the area of a circle with diameter 2 meters?
50.27 meters2
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
The area of a circle is 314 inches2. What is the diameter of the circle?
20 inches
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
The area of a circle is 314 meters squared. What is the radius of the circle?
10 feet
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
What is the area of a circle for which 2 times the diameter is 48 meters
452.39 meters2