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Vladimir79 [104]
3 years ago
5

Which angle is congruent to CBA? BCD CDA ABC BAD

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
7 0

Answer:

the second cda is right give brainliest pls

Step-by-step explanation:

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\binom {21} {6}= \frac{21*20*19*18*17*16}{6*5*4*3*2*1} =21*19*17*8=54264
Thus, the answer is that there are \boxed{54264} ways to choose a set of six letters such that no two letters in the set are adjacent in the alphabet. Hope this helped and have a phenomenal New Year! <em>2018</em>
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Step-by-step explanation:

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