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Rudiy27
2 years ago
7
I NEED AN EXPLANATION!!!
Mathematics
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1
answer:
Dafna1
[17]
2 years ago
3
0
X=-30
The interior angles of a triangle are always equal to 180 degrees. If you substitute -30 into the equations you will get both 60 degrees and 30 degrees.
30+60+90=180.
hope that helps!
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