Samantha777999 Samantha777999
  • 16-06-2017
  • Mathematics
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What is the measure of angle A in the triangle?

What is the measure of angle A in the triangle class=

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tiffanixdddd
tiffanixdddd tiffanixdddd
  • 16-06-2017
180 = 2x-10+x+30+70
180 = 3x+90
90 = 3x
x = 30

2(30)-10 =50
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