Please send picture of the problem, so I can show you how to do it.
<span>A </span>continuous function<span> <span>allows
the </span>x-values to be ANY points<span> in the
interval, including fractions, decimals, and irrational values.</span> The graph
is continuous because the cost could be any number depending on how many pounds
of nuts Kenny bought in the market</span>
You subtract the known angle measurements from 180 because a straight line means the whole undivided angle is 180 degrees and the answer to the subtraction is your missing angle measurement
I hope this helps!!!