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kodGreya [7K]
3 years ago
14

Which is the correct ?

Mathematics
1 answer:
melomori [17]3 years ago
7 0

Answer:

it is the 1st one

Step-by-step explanation:

because you have to add up all three sides  because you need 180 then subtract that answer from 180 and you will get your answer

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Step-by-step explanation:

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