georgespiff69 georgespiff69
  • 01-03-2021
  • Mathematics
contestada

PLEASE NO TROLLS
Find the measure of angle A

PLEASE NO TROLLS Find the measure of angle A class=

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mrtapatio445
mrtapatio445 mrtapatio445
  • 01-03-2021
Answer is: 50
the outside angle is equal to the remote interior angles.
120=15x+5+22x+4
combine like terms
120=37x+9
minus 9 both sides
111=37x divide by 37 both sides
x=3
Now substitute x
15x+5=A
15(3)+5=A
45+5=A
50=A
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