Circles Flashcards
1
Q
Area of circle?
A
Pie radius squared
2
Q
What is an arc?
A
Half of a circle
3
Q
What is a chord
A
The diameter of a circle
4
Q
What is a sector
A
An area of a circle
5
Q
What is a segment?
A
A line connecting two points on the circumference of a circle
6
Q
How do you find the measure of an arc
A
The measure is equal to the degrees of the angle made by the two lines making the arc
7
Q
How do you find the length of an arc?
A
Measure of arc / 360 degrees
Then multiplied by the circumference of a circle
8
Q
Circumference of a circle?
A
pie times diameter or 2radius pie
