Respuesta :
Answer:
SSS~
Step-by-step explanation:
All three sides between the two triangles are proportional (4/12 = 4/12 = 7/21)
The explanation regarding the each pair of triangles should be similar is explained below:
The following information should be considered:
- Since there are two triangles so all three sides that lies between the two triangles should be proportional.
- It can be 4 by 12 = 4 by 12 = 7 by 21
Learn more: https://brainly.com/question/24908711?referrer=searchResults