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choli [55]
3 years ago
8

I need help please and thanks

Mathematics
2 answers:
Greeley [361]3 years ago
4 0

Answer:

60

Step-by-step explanation:

80+40+x=180

80+40=120

120+x=180

180-120=60

x=60

ipn [44]3 years ago
3 0

Step-by-step explanation:

Total angle of triangle is 180 °

given,40° and 80°

let x be the missing angle

180x=40+80

180x=120

x=120-180

x=60°

=a)60°

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