kristinakasia
kristinakasia kristinakasia
  • 22-07-2018
  • Mathematics
contestada

I need help ASAP thanks!!

I need help ASAP thanks class=

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mathstudent55
mathstudent55 mathstudent55
  • 22-07-2018

Theorem

The measure of an exterior angle of a triangle equals the sum of measures of the remote interior angles.


Angle STV is an exterior angle of triangle SRT.

The two remote interior angles to exterior angle STV are angles S and R.

Since the triangle is isosceles, with sides ST and TR equal, angles S and R are equal, so they both measure 27 deg.


<STV = 27 + 27


<STV = 54

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