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5M Math F
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Gravity
desCartes 261-270
Terms in this set (13)
adjacent side
2 sides sharing a common vertex
axis
A line that passes through the center of an object
collinear
Points that lie on the same line
counterexample
An example that proves a statement false
depreciate
To decrease in value
empty set
A set containing no elements
line symmetry
A line that divides a figure into two halves that are mirror images of each other
opposite side
Side across from the angle
point symmetry
A specific type of rotational symmetry when a figure rotates onto itself after a rotation of exactly 180º
regular pentagon
5-sided figure with ALL sides and angles congruent (equal)
rotational symmetry
The ability of a figure to be rotated less than a full circle and exactly match its original image
semi-annual
twice a year
x-intercept
the x-coordinate of the point where a line crosses the x-axis
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