# Segments

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• I have to know about circles by tomorrow and I dont know where to start﻿
• I mean I could help I know about tangents, segments, and stuff﻿
• ﻿Well the radius is a segment that ends at the center of the circle and a point In this circle the cord is a segment whose endpoints are points on the circle then A secant is a line that intersects a circle in two points. LLastly tangent is a line in the plane of a circle that intersects the circle inone place.
• then you hvae central angles that is an angle in which the vertex is the center of the circle
• Okay so what are they, like can you explain the compnements﻿
• Wow I really didnt know any of that.. So what are Arc's and stuff﻿
• ﻿A major arc of a circle whose measure is greater than 180 degrees. then a minor arc is one that is less than 180 degrees
• the tangent is a line that is in the same plane as a circle and intersects the circle at exactly one point
• so what is a tangent?﻿
• Yeah you're right
• you have many theorems that you have to follow ﻿ If a line is tangent to a circle, then it's perpendicular to the radius at the point of tangency and If two tangent segments meet at the same exterior point they are congruent
• Thank you so much im pretty sure I have an better understanding now I should pass my test ﻿
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