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Help me please. I really need it, explain to me how it is done too, I’d really really appreciate that.

Help me please I really need it explain to me how it is done too Id really really appreciate that class=

Respuesta :

All angles in a triangle add up to 180 so 180 - 60 = 120 then 180 - 155 = 25 then 25+65 = 90 that is the remaining angle but finally 180 - 90 = 90 is the missing angle

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