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chapter 10 (radius formula : (r = 1/2d), diameter formula : (d = 2 x r),…
chapter 10
radius formula :
r = 1/2d
diameter formula :
d = 2 x r
circumference formula :
C = pid or C = 2pir
quadratic formula :
Pythagorean theorem :
Theorem 10.13
m<1 = 1/2mABarc and m<2 = 1/2mACB
vertex of angle on the circle :
m<1 = 1/2x
vertex of angle inside the circle :
m<1 = 1/2( x+y )
vertex of angle outside the circle :
m<1 = 1/2 ( x - y )
Theorem 1 :
AB x BC = DB x BE
