Arealbot
24.02.2021 •
Mathematics
-448. 221. 112, 56. ... what are the next three terms
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Ответ:
Supplementary angles are angles that add to 180°. Given that
and 
are supplementary angles, we can say that the measures of the two angles add to 180°, as shown below:
The problem also gave us values for
and 
, which we can substitute into the equation we found in the last step, as shown below:
We have found that y = 13. We can use this to find
by "plugging in" the 13 for y:
The measure of angle 2,
is 121°.