Arc Length Practice
Flashcard
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Quizizz Content
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Mathematics
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9th - 12th Grade
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4 plays
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Hard
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15 questions
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1.
FLASHCARD
Front
What is the formula to find the arc length of a circle?
Back
Arc Length = r * θ, where r is the radius and θ is the central angle in radians.
2.
FLASHCARD
Front
How do you convert degrees to radians?
Back
To convert degrees to radians, multiply by π/180.
3.
FLASHCARD
Front
What is the relationship between the radius, central angle, and arc length?
Back
The arc length is directly proportional to both the radius and the central angle.
4.
FLASHCARD
Front
If the radius of a circle is doubled, how does the arc length change for the same central angle?
Back
The arc length also doubles.
5.
FLASHCARD
Front
What is a central angle?
Back
A central angle is an angle whose vertex is at the center of the circle and whose sides intersect the circle.
6.
FLASHCARD
Front
What is the radian measure of a full circle?
Back
2π radians.
7.
FLASHCARD
Front
How do you find the radius if you know the arc length and the central angle in radians?
Back
Radius = Arc Length / Central Angle.
8.
FLASHCARD
Front
What is the arc length of a circle with a radius of 10 inches and a central angle of 1 radian?
Back
Arc Length = 10 * 1 = 10 inches.
9.
FLASHCARD
Front
What is the formula to find the central angle in radians given the arc length and radius?
Back
Central Angle = Arc Length / Radius.
10.
FLASHCARD
Front
If an arc length is 15 cm and the radius is 5 cm, what is the central angle in radians?
Back
Central Angle = 15 / 5 = 3 radians.
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