Ex 2 The coordinates of the vertices of triangle FUN are F 1 1 U 1 4 and N 2 1 How can you tell if FUN is a right triangle show your work This is a right triangle since two of the sides are pendiculars 1 8 5 2 4 2 8 6 4 2 50 4 3w 3 8 6 e 72 2 24 7 6 6000 8 2 4 6 8 X Slope I m 3 slope 3 2 slune 2 ml 3 1 not Vic Sin line tou