3 years ago

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

1 answer:

4 0

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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