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a. If you begin with a right triangle with sides a, b, and
c and decrease the right angle so it is an acute angle,
how does compare with ?
b. Answer this question for the situation where you
increase the right angle so that it is obtuse.
I have to use a formula to show the answer.

  • math -

    Compare with what?

    Law of Cosines:
    c^2=a^2 + b^2 -2abCosineC

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