Respuesta :

WuilkinsH
The angle A with 85, 10x is a 1345

Answer:

angle a is 45 degrees

Step-by-step explanation:

triangle total angles must add up to 180

angle a: 8x+5

angle 2: 85

angle 3: 10x

8x+5+85+10x=180

simplify

18x+90=180

subtract 90

18x=90

divide by 18

x=5

plug in x to angle a

8*5+5=45

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