Circle Vocab & Properties
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the diameter of a circle?
Back
The diameter is a straight line that passes through the center of the circle and connects two points on its boundary.
2.
FLASHCARD QUESTION
Front
What is the relationship of an internal angle with its arcs in a circle?
Back
An internal angle is equal to half the sum of the measures of the arcs that it intercepts.
3.
FLASHCARD QUESTION
Front
What is a sector in a circle?
Back
A sector is a region enclosed by two radii and the arc between them.
4.
FLASHCARD QUESTION
Front
What is the radius of a circle?
Back
The radius is a straight line from the center of the circle to any point on its boundary.
5.
FLASHCARD QUESTION
Front
What is the circumference of a circle?
Back
The circumference is the length of the boundary of a circle.
6.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
The circumference (C) can be calculated using the formula C = 2πr, where r is the radius.
7.
FLASHCARD QUESTION
Front
What is the area of a circle?
Back
The area of a circle is the space enclosed within its boundary, calculated using the formula A = πr².
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