3 years ago

I’ll put the brainliest pleaseee!!!! I NEED HELP!!!

Mathematics

2 answers:

Radda [10]3 years ago

5 0

Answer:

3x = 78+(x-2)

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the opposite interior angles

3x = 78+(x-2)

juin [17]3 years ago

3 0

3x=78+x-2 is the answer. Good luck on your homework!

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