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. Definitions Concepts 1. Define a central angle. Describe its vertex location and how it relates to the intercepted arc. central angel is the middle of a circle g dot. 2. Define an inscribed angle. Explain how its vertex and sides are positioned relative to the circle. Because the inscribed angle fills out the circle with two lines. 3. What is a chord in a circle, and how does it differ from a diameter? A chord is out small liner surronding the bottom of a circle . It differs from the diameter since the diameter goes oh cards traight line across the circle. 4. Describe an arc and explain how it is formed by points on a circle. 5. If two inscribed angles intercept the same arc, what is their relationship? Justify your answer. Then their degrees will equal the same amount 6. Explain why the measure of an inscribed angle is always half the measure of the central angle intercepting the same arc. Include a dia proof