What is the difference between a central angle and an inscribed angle? Please use specific descriptions of the parts of an angle.
Question
What is the difference between a central angle and an inscribed angle? Please use specific descriptions of the parts of an angle.
Solution 1
A central angle and an inscribed angle are both parts of a circle, but they have different properties and positions.
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Central Angle: A central angle is an angle whose vertex is the center of the circle. The two rays of the angle are radii of the circle, meaning they extend from the center of the circle to its edge. The measure of a central angle is equal to the measure of the arc it intercepts, or cuts off, on the edge of the circle.
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Inscribed Angle: An inscribed angle is an angle whose vertex is on the edge of the circle. The two rays of the angle extend from the vertex to two different points on the circle, creating a 'slice' or 'section' of the circle. The measure of an inscribed angle is always half the measure of the arc it intercepts.
So, the main differences between a central angle and an inscribed angle are their locations (center of the circle vs. on the edge of the circle) and their measures in relation to the arcs they intercept (equal to the arc for a central angle, half the arc for an inscribed angle).
Solution 2
A central angle and an inscribed angle are both parts of a circle, but they have different properties and positions.
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Central Angle: A central angle is an angle whose vertex is the center of the circle. The two rays of the angle are radii of the circle, meaning they extend from the center of the circle to its edge. The measure of a central angle is equal to the measure of the arc it intercepts, or cuts off, on the edge of the circle.
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Inscribed Angle: An inscribed angle is an angle whose vertex is on the edge of the circle. The two rays of the angle extend from the vertex to two different points on the circle, creating a 'slice' or 'section' of the circle. The measure of an inscribed angle is always half the measure of the arc it intercepts.
So, the main differences between a central angle and an inscribed angle are their locations (center of the circle vs. on the edge of the circle) and their measures in relation to the arcs they intercept (equal to the arc for a central angle, half the arc for an inscribed angle).
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