Question:
Solution:
Remember that if we have a straight line, then:
According to the above diagram, we have that:
then, we have the following equation:
[tex]25\text{ + 80 + x = 180 }[/tex]this is equivalent to:
[tex]105\text{ + x = 180}[/tex]solving for x, we get :
[tex]x\text{ = 180 -105 = 75}[/tex]thus, we have the following diagram:
then, we have the following equation:
[tex]80\text{ + 75 + x = 180}[/tex]this is equivalent to:
[tex]155\text{ + x = 180}[/tex]solving for x, we get:
[tex]x\text{ = 180 -155 = 25}[/tex]then, we can conclude that the correct answer is:
[tex]x\text{ = 25}[/tex]