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GeoGebraTarefa

Isosceles Triangle Theorem

Why is triangle ABC an isosceles triangle?

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  • A
  • B
  • C
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Angle B is a base angle because ...

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  • A
  • B
  • C
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Angle C is a base angle because ...

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  • A
  • B
  • C
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Move points A, B and C. Adjust the side lengths of the triangle. What can be concluded about the base angles of isosceles triangles?