The sum of the measures of the angles of a triangle is 180 degrees. The middle-sized angle measures 5 degrees more than 4 times the smallest angle. The middle-s

Question

advanced algebra question

Answer 1

The angles are X,

 

    4x +  5

 

and

 

180  - (x + 4x+5)

 

180 - (5x + 5) = 180 - 5x - 5 = 175 - 5x = 5(35 - x)

 

CHECK:

 X + (4x + 5) + (175 - 5x) = X + 4x - 5x + 5 + 175 = 180

 

So now you can do what you need with X , 4x + 5, and 175 - 5x

based on the missing info.