Which two triangles are similar? A. A and B B. A and D C. B and C D. B and D
+118608 Lets look at them one at a time
A and D have right angles - I'll look at them first
The two short sides for A are in the ratio 2:3
The two short sides for D are in the ratio 6:9 which simplifies to 2:3
SO
A and D are similar
Now I will look at B and C
The shortest side of B to the shortest side of C is 2:3
I can see that the angles are not the same. So they are not similar.
