emilycadwell12
emilycadwell12 emilycadwell12
  • 21-01-2020
  • Mathematics
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15 points-I need help ASAP please

15 pointsI need help ASAP please class=

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tessvic tessvic
  • 21-01-2020
9= 21°
10= 70°
11= 64°
12= 31°
All angles in a triangle must add to 180°. Angle of a straight line is 180°. Use these rules to assist working other questions out
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