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The measure of a base angle of an isosceles triangle whose vertex angle measures 72 is 54 degrees.

Given that,

  • The vertex angle is 72 degrees.
  • We have to find out the measure of the base angle.

Based on the above information, the calculation is as follows:

= 180 - 72

= 108 degrees

For each base angle it is 54 degrees.

Therefore we can conclude that the measure of a base angle of an isosceles triangle whose vertex angle measures 72 is 54 degrees.

Learn more: brainly.com/question/2773823