marainafolta
marainafolta marainafolta
  • 10-01-2019
  • Mathematics
contestada

I don't understand please help

Respuesta :

faith2004181818
faith2004181818 faith2004181818
  • 10-01-2019

Answer:2x+30 =90

If the angle is 90° altogether

60=A 30=30

Step-by-step explanation:


2x+30 =90

-30 -30

2x=60

÷2. ÷2

x=30

2*30=60

60+30=90

60=A B=30

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