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Please help me with triangle angles. due today !
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20 votes
Please help me with triangle angles. due today !

Please help me with triangle angles. due today !-example-1
User Biziclop
by
7.0k points

2 Answers

6 votes

Answer:

12

Explanation:

8x-1+3x+4+3x+9=180

14x+12=180

14x=180-12

x=168/14

x=12

User Gkof
by
7.5k points
6 votes

Answer:

8x-1+3x+9+3x+4=180

8x+3x+3x=180+1-9-4

14x=168

x=12

Explanation:

User Drummad
by
6.5k points
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