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:
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Answer:
8
y
4
+
2
x
2
−
5
x
y
Step-by-step explanation:
61 = 3b + 7
3b + 7 = 61
3b = 61 - 7
3b = 54
b = 54/3
b = 18.
Answer: 2
Step-by-step explanation:
Answer:
the second one
Step-by-step explanation:
