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An exterior angle of a triangle is 110° and one of the interior opposite angles is 45°. What is the largest angle of the triangle?

Competition practiceGeometry
  • A65°
  • B70°
  • C110°
  • D135°

Step-by-Step Solution

Other opposite angle ; the adjacent interior angle . Angles 45°, 65°, 70°.
Answer: B) 70°

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