Question 762857
Other acute angle = x
One acute angle = 3x + 10
So, x + (3x + 10) + 90 = 180
              4x + 100 = 180
                    4x = 180 - 100
                    4x = 80
                     x = 20 degrees
Other acute angle = 20 degrees
  One acute angle = 70 degrees
      Right angle = 90 degrees
               Total = 180 degrees.
Hope this helps.
:-)