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circles - Coggle Diagram
circles
circumference
c = pi x diameter
the distance around the outside of the circle
radius
half the diameter
a straight line going from the middle of the circle to the edge
diameter
across the width of the circle
a straight line in the circle going from side to side
semi-circle
half of the circle
c (of semicircle) = 1/2 pics diameter + diameter
area
the space inside the circle
cm/m2
a = pi x radius squared
quadrant
a quarter of the circle
a (of semicircle) = pi x c / 4 + 2 radii
sector
the section defined by two radii
chord
a line connecting two parts of the circle
arc
a part of the edge of the circle
segment
a section of the circle
tangent
a straight line leading off of the edge of a circle
https://quizlet.com/gb/509703762/flash-cards/?new
