4 years ago

I have no clue how to do this. Help.

Mathematics

1 answer:

dimulka [17.4K]4 years ago

5 0

Answer:

i think its x = -880

Step-by-step explanation:

so the triangle equals 180 degrees so you would put (x + 10) + (x + 20) + 50 = 180 and solve the equation. i might be wrong but i think thats how

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