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What is an arc central angle and radius of the circle?
Radius: A line from the center of a circle to a point on the circle. Central Angle: The angle subtended at the center of a circle by two given points on the circle.
The angle between two radii of the same circle?
There are always two angles between two radii of the same circle ... starting at one of them and going each direction to the other one. If you define the angle between them as the smaller of the two angles, then it can be anything between 0° and 180°. If you define it as the larger of the two, then it can be anything between 180° and 360°. If you don't care which of the two angles is measured, then it can be anything between 0° and 360°.
What is the relationship between area of a circle and its radius squared for a series of circles with large increasingly large radii?
The area of a circle is directly proportional to the square of its radius. If two circles have radii R1 and R2 , then the ratio of their areas is ( R1/R2 )2
How many degrees are in an angle that divides a circle into two equal parts?
180
How do you divide a circle into 14 pieces?
Divide 360 by 14, then draw two radii in the circle with this number of degrees between them. Then use a compass to mark off 14 equal arcs around the perimeter. Join the points to the centre.
