Which set of side lengths shows similar triangles?

Triangle ABC : 40, 20, 50; Triangle XYZ: 10, 12.5, 10

Triangle ABC : 30, 30, 60; Triangle XYZ: 15, 15, 30

Triangle ABC : 110, 80, 60; Triangle XYZ: 6, 8, 5.5

Triangle ABC : 32, 20, 32; Triangle XYZ: 30, 16, 16

Question

Which set of side lengths shows similar triangles?

 Triangle ABC : 40, 20, 50; Triangle XYZ: 10, 12.5, 10

 Triangle ABC : 30, 30, 60; Triangle XYZ: 15, 15, 30

 Triangle ABC : 110, 80, 60; Triangle XYZ: 6, 8, 5.5

 Triangle ABC : 32, 20, 32; Triangle XYZ: 30, 16, 16

jim766 · Answer

b

triciaal · Answer

because the corresponding sides are in the same ratio  1:1:2