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ioda
3 years ago
7

Please help !!!!!!!!!!!!!

Mathematics
1 answer:
saw5 [17]3 years ago
8 0
Since they are opposite angles about the intersection of two straight lines they are equal angles....

5x+12=6x-10  subtract 12 from both sides

5x=6x-22  subtract 6x from both sides

-x=-22  divide both sides by -1

x=22°

So those angles are 5*22+12=122°

Now HJI is an adjacent angle so it is 180°-122°=58°
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