Respuesta :

gingerthepup
the lengths of angles in triangles always add up to 180°

take the 2 sides and add them and subtract from 180
ArabellaHarrison
First a triangle is always 180
So the steps are:
1. Add I’ll all the sides
2. Do 180 minus whatever you got when you added all the sides together

That’s what you do I hope this helps!

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