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My name is Ann [436]
4 years ago
10

Which properties belong to all isosceles triangles? Check all that apply.

Mathematics
1 answer:
Sever21 [200]4 years ago
5 0
<h3>3 Answers:  Choice A, Choice C, Choice E</h3>

=====================================================

Explanation:

Let's go through the answer choices to see which are true and which are false.

  • A) True. The base angles are the same measure, and they are opposite the congruent sides. Any isosceles triangle has exactly two congruent sides.
  • B) False. This is describing an equilateral triangle (where all three angles are 60 degrees each).
  • C) True. See choice A.
  • D) False. This is describing an equilateral triangle where all sides are the same length.
  • E) True. You can use the SAS (side angle side) congruence theorem to prove that the angle bisector is also the perpendicular bisector. Furthermore, this segment is also a median. This only applies to the vertex angle.
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