braydenenglishoro8em braydenenglishoro8em

18-06-2017
Mathematics

contestada

Triangle ABC is a right triangle, and mC is 78°.

What is mA?

Triangle ABC is a right triangle and mC is 78 What is mA class=

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mezaraul56R mezaraul56R

18-06-2017

Dios es la respuesta!!!

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trishinada63 trishinada63

18-06-2017

the interior sum of a triangle is 180°. and the square in a right angle means it is a 90° angle. so 78+90 is 168. and 180-168 is 12, so its b)

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