onlymyworld27
17.01.2021 •
Mathematics
Find the missing angle.
Solved
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Ответ:
Step-by-step explanation:
Notice that .
The diagram already marks , so we just need to find .
and are vertical angles, which means they are equal in measure.
Therefore,
Since there are on each side of a line, we have the following equation:
.
Plugging in , we have:
.
Therefore,
.
Ответ:
b) ex: 3/2 or 5/4 or 9/5