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Home > CC3 > Chapter 10 > Lesson 10.1.4 > Problem 10-61

10-61.
  1. Calculate the value of x. Homework Help ✎

Angle x is an exterior angle.

An exterior angle is equal to the sum of the two remote interior angles.

Vertical angles are always congruent. The angle that is vertical to x is also supplementary to the given angle.

x = 98°