Part I. Identify the word/s that correspond/s to the following definitions. Write your answer before each number. (5 pts)
1. An angle formed by two rays whose vertex is the center of the circle.
2. It is a part or segment of the circumference of a circle.
3. A line segment joining any two points on the circumference of the circle.
4. An angle whose vertex is on a circle and whose sides contain chords of the circle.
5. The arc that lies on the interior of an inscribed angle and has endpoints on the angle.
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Answer:
1.A central angle is an angle formed by two radii with the vertex at the center of the circle.
2.An arc is part of the circumference of a circle. If the arc is over half of the circumference then it is called a major arc. If it is less than half of the circumference it is called a minor arc.
3.chord. ... A chord is a line segment in the interior of the circle which joins any two points on its circumference. In fact, the diameter of a circle is the longest chord of the circle. The radius of a circle is the line segment joining its center and any point on its circumference.
4.inscribed angle
An angle whose vertex lies on a circle and whose sides intercept the circle (the sides contain chords of the circle) is called an inscribed angle. The measure of an inscribed angle is half the measure of the arc it intercepts.
5.The intercepted arc
The intercepted arc is the arc that is on the interior of the inscribed angle and whose endpoints are on the angle. The vertex of an inscribed angle can be anywhere on the circle as long as its sides intersect the circle to form an intercepted arc
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