Part 1:all triangles have a measure of 180 degrees so, 3(x+2)+35+52=180 add 35 and 52; 3(x+2) +87=180 subtract 87 from both sides; 3(x+2)= 93 divide both sides by 3; x+2=31 subtract both sides by 2; x=29 Part 2: since 3(x+2) =93, angle C is 93 degrees
