joinbrainl
joinbrainl
11-11-2019
Mathematics
contestada
im desperate and dumb please help
Respuesta :
kenlingdad
kenlingdad
12-11-2019
Answer:
5
Step-by-step explanation:
ΔACB≅ΔDCE
BC=EC
∠A=∠D
50=10x
∴x=5
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