Respuesta :

ex.3 all you have to do is add the numbers and if they add up to 180 its a triangle

ex.4 add up the two numbers then subtract it by 180 to get your 3rd number
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Answer:

3: add the numbers and if they add up to 180 its a triangle

4 add the 2 numbers then subtract it by 180 to get your 3rd number

Step-by-step explanation:

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