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The figure shows a triangle with 2 congruent sides. The angle between the congruent sides measures x degrees and a different angle measures 70 degrees. The angles opposite the congruent sides of an isosceles triangle are congruent. Find the value of x in the triangle.

Respuesta :

mhanifa

Answer:

  • 40°

Step-by-step explanation:

Since the triangle is isosceles and the angle between the congruent sides is x, the other two angles measure the same value.

Sum of the interior angles is 180°:

  • x + 2*70° = 180°
  • x + 140° = 180°
  • x = 40°

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