Huh? 5x100 = 500. Is that the question
The third angle would be 66 degrees, because the total degrees of a triangle equals 180
Hi!
We can see the river is a straight line.
This means that the angles that fall upon it are supplementary angles, and will add up to 180 degrees.
Therefore:

Combine like terms:

Subtract 21 from both sides:

Divide both sides by 3:

Therefore, the value of x is 53 degrees.
Answer:
-4/9
Step-by-step explanation:
Plz help. ,,, ,,,,,,,,,,,,,,........
il63 [147K]
6. 3x - 3
7. -2b + 12
8. 2y-12