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lorasvet [3.4K]
2 years ago
5

Why can’t one of the names be PNM, or MPN for the plane? But MNP can? What’s the difference, and why?

Mathematics
1 answer:
Savatey [412]2 years ago
3 0

The names PNM and MPN are perfectly valid. The order of the letters doesn't matter. In fact, there are 6 ways to name this plane if we just use the 3 letters. If we include "plane Z", then there are 7 total ways to name the plane.

For some reason, your teacher wants P to be the third letter as s/he mentioned MNP and NMP. But again, the order doesn't matter.

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Answer:

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5 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%7C2v%7C%20%20%3D%2012" id="TexFormula1" title=" |2v| = 12" alt=" |2v| = 12" align="absmi
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v=6

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