Sum of the interior angles of any triangle equal 180° .
Thus ;


Subtract sides -8


Divided sides by 4


So the angles are :
x = 43°
2x = 2 ( 43 ) = 86°
x + 8 = 43 + 8 = 51°
Thus the order from least to greatest ,
is : 43° , 51° , and 86°
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And we're done.....♥️♥️♥️♥️♥️