Respuesta :
The expression which represents the measure of angle X is therefore; The angle x =180 - 2a.
Isosceles triangle
According to the question;
- Triangle XYZ is isosceles and Angle Y measures a°.
- The lengths of sides Y X and Z X are congruent.
From the given information;
The measures of angle Y and Z = a.
The expression represents the measure of angle X is therefore; The angle x =180 - 2a.
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