Geometry

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Author:
Neeharika
ID:
223781
Filename:
Geometry
Updated:
2013-06-16 01:31:16
Tags:
Geometry triangles quads circles
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Description:
Geometry
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  1. Total angle measure of n sided polygon
    180(n-2)
  2. Area of equilateral triangle
    A= 
  3. Ratio of the sides for a 30-60-90 triangle is
  4. Perpendicular lines have negative slopes
  5. 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.
  6. If (x1,y1) and (x2,y2) are two points on a line, then the slope of the line is
    (y2-y1)/(x2-x1)
  7. Ratio of the side1:side2:hyp for a 45-45-90 triangle is

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