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Answer and Step-by-step explanation:

The value of x is 75.

This is because we are given an Isosceles Triangle. Isosceles Triangles always have 2 legs/sides that are the same length, and because those two sides have the same length, it means their base angles have the same value as well.

So, Since the we have an Isosceles Triangle, the angle containing 75 is equal to the angle containing x.

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ElephantHouse

Answer:

x = 75°

Step-by-step explanation:

  • The red lines going over the 2 sides on the triangle means that those 2 sides are of equal length.
  • Because 2 sides of the triangle are equal in length, that must mean that the triangle is isosceles.
  • Isosceles triangles have 2 equal sides with 1 side being different. The same goes for its interior angles.
  • Since the adjacent angle relative to x is 75°, (x)° is also 75°.