Step-by-step Answer
PAGE: 214SET: ExercisesPROBLEM: 2
Please look in your text book for this problem Statement

The given angle measures are .

Let the missing angle measure is x.

The sum of the measures of the angles of a triangle is 180.

               (Angle sum theorem)

                       (Add: )

                                  (Subtract 81 from each side)

The missing angle measure is .


"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!"

June Barnett

"Your site is amazing! It helped me get through Algebra."


"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful."

Dan Pease

Simply chose a support option

My status

JOIN US ON: is not affiliated with any Publisher, Book cover, Title, Author names appear for reference only