daniellalegerruiz
daniellalegerruiz
27-04-2020
Mathematics
contestada
Given ABCD slove for X ?
Respuesta :
ulili
ulili
27-04-2020
Answer:
∠D = 180°- ∠A
∠D = 180° - (30+5x)
15+10x = 180° - 30-5x
15x = 180 - 30 - 15
15x= 135
x = 9
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