- #1

- 251

- 0

2x + y + 3z = 5

2x + 3y + z = 7

could someone double check this for me, I got 135.58 while the book got 44.4

thanks :s

- Thread starter phospho
- Start date

- #1

- 251

- 0

2x + y + 3z = 5

2x + 3y + z = 7

could someone double check this for me, I got 135.58 while the book got 44.4

thanks :s

- #2

- 6,054

- 391

135.6 and 44.4 add up to 180. Interesting, eh?

- #3

- 251

- 0

yes I noticed that...135.6 and 44.4 add up to 180. Interesting, eh?

- #4

- 251

- 0

is one the obtuse angle between the planes and the other the acute?

- #5

- 6,054

- 391

Yep.

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