MoodyR
MoodyR
10-09-2020
Mathematics
contestada
I need help with this
Respuesta :
mlarsen5000
mlarsen5000
10-09-2020
Answer:
90°
Step-by-step explanation:
5x+20=9x
20=4x
5=x
<DEG=5x+20+9x=5(5)+20+9(5)=25+20+45=90
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