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Leno4ka [110]
3 years ago
14

The angles of a triangle are 99??, 3x??, and x + 5??.

Mathematics
1 answer:
Anit [1.1K]3 years ago
3 0
Since we know a triangle only has 180 degrees we can say:

99+3x+x+5=180

Then we can solve for x:

4x+104=180
4x=76

x=19


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