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anonymous

  • 5 years ago

Two vertices of a regular tetrahedron are located at A= (0,0,0) and B= (1, 0, 0) The centroid is at X= (1/2, (√3)/6, (√6)/12). What is the measure of angle AXB, to the nearest degree?

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  1. anonymous
    • 5 years ago
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    REPEAT sorry!

  2. anonymous
    • 5 years ago
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    Just kidding, my feed is glitching!

  3. anonymous
    • 5 years ago
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    Find vector AX and vector BX

  4. anonymous
    • 5 years ago
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    Let's call the vectors u and v. To find the angle\[udotv=||u||||v||\cos \theta\]

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