Geometry Continued- Radium Of A Circle Flashcards
1
Q
How is arc length found when a radius is given?
A
By multiplying the measure of the angle in radians by the radius of the circle.
2
Q
What symbol is used to represent an angle? What does it look like?
A
Theta. It looks like a 0 with a horizontal line through the center.
3
Q
What is a radian
A
A unit of angle measure
4
Q
how many degrees are in 1 radian?
A
57.296
5
Q
How many degrees is in a full circle?
A
360 degrees
6
Q
What equation is equal to 360 degrees?
A
=2pi(rad)
7
Q
What equation is equal to 1 radian?
A
360/(2pi)
Which is equal to 57.3
8
Q
How many Radians are in a Circle?
A
2piRadians. Multiply 1rad (57.3) with pi first then multiply by 2.
