Which expression can be used to find the area of triangle RST ?
A
open paren 8 times 4 close paren minus open paren 10 plus 12 plus 16 close parenB
open paren 8 times 4 close paren minus 1 half times open paren 5 plus 6 plus 8 close parenC
open paren 8 times 4 close paren minus open paren 5 minus 6 minus 8 close parenD
open paren 8 times 4 close paren minus 1 half times open paren 10 plus 12 plus 16 close paren