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alden dawson Unit 10 Vocab
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Gravity
Key Concepts:
Terms in this set (12)
Circle
set of points equidistant from a single point
Radius
the distance that is from the center of the circle to the edge
Diameter
a special chord that goes through the center of the circle
Chord
a line drawn inside the circle that touches the circle at its endpoints
Tangent
a line that intersects the exterior of the circle in exactly on spot
Circumference
the distance around the circle
Area of Circle
...
Central Angle
an angle that has its vertex at the center of the circle and extends to the edge of the circle
Inscribed Angle
an angle that has its vertex on the edge of the circle; extending inward to the opposite edge of the circle
Arc Length
the distance along the arc part of the circumference of a circle, or of any curve
Sector Area
the part of a circle enclosed by two radii of a circle and their intercepted arc.
Equation of a Circle
(x - h)2 + (y - k)2 = r2
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