Expression 12: "d" equals StartRoot, left parenthesis, "b" Subscript, 1 , Baseline minus "a" Subscript, 1 , Baseline , right parenthesis squared plus left parenthesis, "b" Subscript, 2 , Baseline minus "a" Subscript, 2 , Baseline , right parenthesis squared , EndRootd=b1−a12+b2−a22
equals=
1010
12
Expression 13: left parenthesis, "x" minus "h" , right parenthesis Superscript, 2 , Baseline plus left parenthesis, "y" minus "k" , right parenthesis Superscript, 2 , Baseline equals "r" squaredx−h2+y−k2=r2