pooplove64 pooplove64
  • 19-12-2019
  • Mathematics
contestada

Please help!!!

Given: △ABC is isosceles; 1 ≅ 3
Prove: AB || CD

Please help Given ABC is isosceles 1 3 Prove AB CD class=

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devishri1977
devishri1977 devishri1977
  • 19-12-2019

Answer:

Step-by-step explanation:

△ABC is isosceles. So ∠3 = ∠4

given 1 ≅ 3.

therefore, 1 ≅ 4

alternate interior angles are equal if only AB//CD

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