Respuesta :

Answer:

12x

Step-by-step explanation:

number 1 is 12x bcuz two x plues ten equals 12x although i did it another way i still got it right just letting you no im working on the second one


musiclover10045

The outside angle is equal to the sum of the two opposite inside angles.


So you have:

X + 82 = 2X+10

Subtract 1 X from each side:

82 = X+10

Subtract 10 from each side:

x = 72


Now you can calculate the exterior angle by replacing x with 72:

2x+10 = 2(72) +10 = 144+10 = 154



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