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Ahat [919]
3 years ago
5

Help plsss i will mark you brainlest

Mathematics
2 answers:
kogti [31]3 years ago
6 0

Answer:

x= 15

Step-by-step explanation:

Lostsunrise [7]3 years ago
6 0

Answer:

(4x-80)+60+60=180 [sum of angles of triangle]

4x-80+60+60=180

4x+40=180

4x=180-40

x=140/4

x=35

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