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Guineapilover
Guineapilover Guineapilover
  • 01-06-2016
  • Mathematics
Answered

Solve for x? I don't think any angle is a 90 degree angle. I didn't draw it exactly right.

Solve for x? I don t think any angle is a 90 degree angle. I didn t draw it exactly right. class=

Verified Answer :

padawan
padawan padawan
  • 01-06-2016

from cosine law
c^2 = a^2 + b^2 -2abcos(C)
cos(C) = (a^2 + b^2 - c^2)/2ab
this formula will solve your problem

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