
Circle Angles and Area Concepts

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of the line that measures 124 meters in the circle problem?
Diameter
Circumference
Chord
Radius
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to use the radius instead of the diameter when calculating the area of a circle?
The radius is easier to measure.
The radius is always larger than the diameter.
The formula for area uses the radius.
The diameter is not a part of the circle.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the angle of the remaining part of the circle?
Subtract the given angle from 180 degrees.
Add the given angle to 360 degrees.
Subtract the given angle from 360 degrees.
Multiply the given angle by 2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What fraction of the circle is represented by an angle of 180 degrees?
One-fourth
One-half
Three-fourths
One-third
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the area of a circle?
2πr
πr^2
2πd
πd
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the angle of a circle segment is 90 degrees, what fraction of the circle does it represent?
Three-fourths
One-third
One-half
One-fourth
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified fraction for an angle of 320 degrees out of 360 degrees?
9/10
8/9
5/6
7/8
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