Geometry
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Total angle measure of n sided polygon
180(n-2)
Area of equilateral triangle
A=
Ratio of the sides for a 30-60-90 triangle is
Perpendicular lines have negative slopes
y= mx +b
x intercept = -b/m
y intercept = b
slope m= (y2-y1)/(x2-x1)
b can be found by substituting the points in the eq y=mx+b.
If (x1,y1) and (x2,y2) are two points on a line, then the slope of the line is
(y2-y1)/(x2-x1)
Ratio of the side1:side2:hyp for a 45-45-90 triangle is
Card Set Information
Author:
Neeharika
ID:
223781
Filename:
Geometry
Updated:
2013-06-16 05:31:16
Tags:
Geometry triangles quads circles
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Description:
Geometry
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