Answer:
no
Explanation:
If the triangles are similar, then the ratios of the lengths of corresponding sides must be equal.
3/4 must equal 5/6 which must equal 6/7
3/4 = 0.75
5/6 = 0.8333...
6/7 = 0.857142...
None of the ratios are equal, so the triangles are not similar.