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Nesterboy [21]
3 years ago
11

15 Find the missing angle. 200 180 А A 100 B) 50 C 80 D) 70°

Mathematics
2 answers:
Korvikt [17]3 years ago
6 0

Step-by-step explanation:

=> x + 80 + 20 = 180

=> x + 100 = 180

=> x = 180 - 100

=> x = 80°

Fed [463]3 years ago
5 0

Answer:

C. 80

Step-by-step explanation:

Triangle= 180

80 + 20 + x =180

x = 80

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