If all the angles of the triangle must equal 180, then we have to subtract the 2 known values from 180.
180 - 68.5 - 49.5 = x
62 = x
So that means the missing side is equal to 62!
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Add the exponents together
5^(-2) should be your answer
Answer:7.)A
8.)C
Step-by-step explanation:
If the measure of the given central angle is
rad, then the length of the subtended arc is
satisfying

It's not clear from the question what the value of
is...
Rational number I believe so