Central Angles and Arcs Flashcard
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
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1.
FLASHCARD QUESTION
Front
What is a central angle?
Back
A central angle is an angle whose vertex is at the center of a circle and whose sides are radii that intersect the circle.
2.
FLASHCARD QUESTION
Front
How do you find the measure of an arc?
Back
The measure of an arc is equal to the measure of the central angle that subtends it.
3.
FLASHCARD QUESTION
Front
What is the relationship between a central angle and its intercepted arc?
Back
The measure of a central angle is equal to the measure of its intercepted arc.
4.
FLASHCARD QUESTION
Front
If the measure of arc JH is 130°, what is the measure of the central angle subtending arc JH?
Back
The measure of the central angle subtending arc JH is also 130°.
5.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
The circumference C of a circle is given by the formula C = 2πr, where r is the radius.
6.
FLASHCARD QUESTION
Front
How do you calculate the length of an arc?
Back
The length of an arc can be calculated using the formula: Length = (θ/360) * C, where θ is the central angle in degrees and C is the circumference.
7.
FLASHCARD QUESTION
Front
What is the measure of arc GDF if the central angle is 304°?
Back
The measure of arc GDF is 304°.
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