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Tema [17]
3 years ago
9

Can someone try to help me please??

Mathematics
1 answer:
vladimir1956 [14]3 years ago
3 0

Answer:

1) 180 degrees; straight angle

2) (5x-18)+(4x+45)=108

3) x=17

4) 90 degrees; right angle

5) (3x+6)+(5x+4)=90

6)x=10

Step-by-step explanation:

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