LukeBenson1113
LukeBenson1113
05-04-2017
Mathematics
contestada
How Would You Do This?
Respuesta :
apologiabiology
apologiabiology
06-04-2017
complenentary angles add to 90 degrees
S+Y=90
2(Y)-30+Y=90
3Y-30=90
add 30 both sides
3Y=120
divide 3
Y=40
40 degrees
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