Rosetano Rosetano

24-06-2020
Mathematics

contestada

Given:
AC – AR
<1 = <2
Prove:
<3 =<4

GivenAC ARlt1 lt2Provelt3 lt4 class=

Respuesta :

02-07-2020

Answer:

ΔCTA ≅ ΔDRA

Step-by-step explanation:

Triangles CTA and DRA are congruent by ASA postulate. This is because:

∠1 ≅ ∠2 (given)

AC ≅ AR (given)

∠A is the same for both triangles (they are opposite angles)

Then, correspondent angles and sides are congruent, for example, ∠3 ≅ ∠4

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