Respuesta :
ABC is an isosceles triangle.
Sides : AB = BC
3 x - 7 = 2x
3 x - 2 x - 7 = 2 x - 2 x
x - 7 = 0
x - 7 + 7 = 0 + 7
x = 7
Segment AC:
AC = 3 * 7 - 7 = 21 - 7 = 14
Answer: C ) 14
Sides : AB = BC
3 x - 7 = 2x
3 x - 2 x - 7 = 2 x - 2 x
x - 7 = 0
x - 7 + 7 = 0 + 7
x = 7
Segment AC:
AC = 3 * 7 - 7 = 21 - 7 = 14
Answer: C ) 14
The measure of AC from the figure is 14 units
Isosceles triangle
The given diagram is an isosceles triangle since the base angles are equal. From the given figure;
2x =3x - 7
Collect like terms
2x - 3x = -7
-x =-7
Multiply both sides by -1
x = 7
AC = 3X - 7
AC = 3(7) - 7
AC =14 units
Hence the measure of AC from the figure is 14 units
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