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Mathematics, 23.02.2021 21:30 huckfin58021219

En equipos de tres integrantes, resuelvan lo que a continuación se les pide: 1. Determina el valor de DE+DF , dado que los triángulos ABC y DEF son congruentes, ,
B
D
3,5
105.8°
34.30
4.
C
F
139.9°
34.39
6
A
E
a) Dado que AABC = ADEF , entonces busquemos la correspondencia entre sus respectivos lados y
ángulos. En primer lugar, completamos los ángulos faltantes en cada uno de los triángulos (Recuerda
que la suma de los ángulos internos de todo triángulo es igual a 180°)
*A + B + C=180°
+ + C=180°
*D+ E + F =180°
+KE+
C=180°-
180°
*CE
E=180°
XE =
b) Ubica los resultados en su respectivo triángulo.
En ADEF el lado opuesto al ángulo 39.9º es el segmento
En ADEF el lado questo al

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