Answer:
2
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
choice A means

choice B means

choice C means which is the answer

choice D means

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A/3=7/10
21=10a
a=2.1
100a=100*2.1=210
Answer:
Step-by-step explanation:
<u><em>The triangles can not be proven congruent.</em></u>
We have AAA theorem ⇒ given triangles are similar for sure.