Vocabulary
Circumference
Arc Length/central and inscribed angles
Word Problems
Angles and segments Inside of Circles
100
Name the collection of points equidistant from a point called the center
Circle
100
What is the circumference of a circle if:
the diameter = 14 yds?
43.96 yd
100
What is the measure of an arc with a central angle of 90 degrees?
90 degrees
100
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
100
What is the name of Mr. Cole's dog?
Magellan
200
Name the line segment that cuts a circle in half
Diameter
200
What is the circumference of a circle if:
the diameter = 18 yds?
56.52 yds
200
What is the measure of an arc subtending an inscribed angle of 60 degrees?
120 degrees
200
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
200
What is the measure of angle ACB?
25 degrees
300
What do you call half of the diameter?
radius
300
What is the circumference of a circle if:
the diameter = 2 yds? (leave your answer in terms of Pi)
2pi
yds
300
What is the measure of an inscribed angle whose subtending arc measures 7 degrees?
3.5 degrees
300
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
300
What is the measure of angle x?
80 degrees
400
The outside measurement of a circle (Hint: similar to perimeter)
Circumference
400
What is the diameter of a circle if:
the circumference = 14.8 yds? (round to nearest tenth)
4.7 yds
400
What is the measure of the central angle created by the hour and minute hands on an analog clock when the time reads 4PM?
126 degrees
400
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
400
If arc BC=48, arc AC=26, and arc BD=156, what is the measure of angle AED?
89 degrees
500
The part of a circle measured by a central angle
Arc
500
What is the radius of a circle if:
the circumference = 18.84 yds? (round to nearest tenth)
3 yds
500
If the intercepted arc of an inscribed angle is 162, what is the measure of the angle?
81 degrees
500
What president is attributed this adapted statement from poet John Lydgate:
“You can please some of the people all of the time, you can please all of the people some of the time, but you can't please all of the people all of the time”
Abraham Lincoln
500
Find CE in the following diagram.
x=3