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Math for quiz 21.

Math for studying

QuestionAnswer
How do you cancel out a squared sign? Square root
How do you find the radius of a circle? R= 1/2(d)
What is the definition of a radius? A line segment from the center to a point on the edge of the circle.
What is the definition of the diameter? A line segment from point to point in a circle, passing through the center.
How do you find the diameter? D = R(2)
What is the definition of the circumference of a circle? The distance around the circle.
How do you find the circumference of a circle? C = Pi(d) OR C = 2Pi(r)
How do you find the area of a circle? A = Pi(r²)
Whats the definition of a chord? A line segment that connects two points on the edge of a circle.
What is the definition of a arc? Part of a circle.
What is the definition of a minor arc? An arc less than 180 degrees.
What is the definition of a semi circle? A arc half of a circle. (180 degrees)
what is the definition of a major arc? An arc more than 180 degrees but less than 360 degrees.
What is the definition of a central angle? An angle who's vertex is at the center of the circle.
Created by: sniffells
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