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3 votes
3 votes
HELPPP PLEASEEEEEE!!!!!!!!!1

HELPPP PLEASEEEEEE!!!!!!!!!1-example-1
User Essiet
by
2.7k points

1 Answer

13 votes
13 votes

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:


x+2x+21=180

Combine like terms:


3x+21=180

Subtract 21 from both sides:


3x=159

Divide both sides by 3:


x=53

Therefore, the value of x is 53 degrees.

User Anteo
by
2.9k points
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