Answer:
2,976
Step-by-step explanation:
I'm not sure if your question has to add all these answers up, but if so... than your answer should be 2,976. That's only if you are adding all of them up. Which is what is sort've looks like.
Answer: 48 centimeters
mini disc diameter:disc diameter
14cm:21cm = 7:10.5 = 3.5:5.25 = 1:1.5
no, there is not enough information to use AAS congruence theorem to prove the triangles are congruent
