3 years ago

HELPPPP HOMEWORKKK 15 Points

Mathematics

1 answer:

Arlecino [84]3 years ago

4 0

Answer:

x=12

Step-by-step explanation:

First, you know a triangle is equal to 180. Since you know the sum of the other two angles equal the outside angle, you can make them equal to each other, like 112=6x+3x+4. Combine like terms to 112=9x+4. Subtract 4 on both sides and divide by 9 on both sides to leave x by itself. This will leave you with x=12

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