,geometry ,symbols ,neme? ,ref};e ,%eet l9e 3ta9+ po9ts ;,a & ;,b_3 ",a,b<$[33o] l9e seg;t ) 5dpo9ts ;,a & ;,b_3 ",a,b<:] ray ) 5dpo9t ;,a & 3ta9+ ;,b_3 ",a,b<$o] vector ) orig9 ;,a & 5dpo9t ;,b_3 ",a,b<$33@o] l5g? ( ",a,b<:}, 4t.e 2t ;,a & ;,b_3 ,a,b triangle ) v}tices1 ;,a, ;,b, & ;,c_3 $t ,a,b,c angle ) sides ",b,a<$o] & ",b,c<$o]_3 $[ ,a,b,c angle ) v}tex ;,b_3 $[ ,b m1sure ( $[ ,a,b,c_3 m$[ ,a,b,c #[`U]#Vdegree(s)_3#[`U]#W ^.* is 3gru5t to3 @:.k is n 3gru5t to3 /@:.k is p}p5dicul> to3 $p is n p}p5dicul> to3 /$p is p>allel to3 $l is n p>allel to3 /$l is simil> to3 @: is approximately equlal to3 @:@: corresponds to3 $[33o ;p implies ;q_3 p $o q ;,a prime3 ,a' is less ?an3 "k is grt} ?an3 .1 is less ?an or equal to3 "k: is grt} ?an or equal to3 .1: absolute value ( ;x_3 \x\ pr9cipal squ>e root ( ;x_3 >x] circle ) 9t}ior dot3 $c_$*] >c ) 5dpo9ts ;,a & ;,b_3 ",a,b<$a] >c ) 5dpo9ts ;,a & ;,b & 3ta9+ ;,c_3 ",a,c,b<$a] pi (approximately #[`U]#V#3.1416)_3#[`U]#W .p ord}$ pair ) ;x-coord9ate ;a & ;y-coord9ate ;b_3 (a, b) transl,n ( ;a units horizont,y & ;b units v}tic,y3 ..(a, b..) s9e ( $[ ,a_3 #[`U]#Vsin , a#[`U]#W cos9e ( $[ ,a_3 #[`U]#Vcos , a#[`U]#W tang5t ( $[ ,a_3 #[`U]#Vtan , a#[`U]#W ,prep>$ 0,gloria ,b5nett & ,susan ,o/}haus ,texas ,s*ool =! ,bl & ,visu,y ,impair$ ,au/91 ,texas--,janu>y1 #2000