Answer:
30
Step-by-step explanation:
Answer:
10
Step-by-step explanation: substitute 2 for all the x’s and add.
Answer:
x=-1/4
Step-by-step explanation:
this might be wrong
Answer:
180 - 46 - 83 = 51 is the measure of angle C
the exterior angle at angle C, and angle C, are supplementary. since angle C is 51 because of the interior angle triangle sum theorem, then the exterior angle is: 180 -51 = 129 degrees.
Step-by-step explanation:
I hope this helps :)