3 years ago

Help me and no links

Mathematics

1 answer:

alexgriva [62]3 years ago

8 0

Answer:

56°

Step-by-step explanation:

the sum of the is angles always 180, so put equal to 180

40 + 2x +3x = 180

5x = 140

x = 28

plug in

2(28) = 56

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