bellacyoulater bellacyoulater
  • 07-05-2022
  • Mathematics
contestada

angle sum theorem ??
do i add the numbers, and equal it to 180?

angle sum theorem do i add the numbers and equal it to 180 class=

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BearisaMathTeacher
BearisaMathTeacher BearisaMathTeacher
  • 07-05-2022
Yes add all the angles together to equal 180
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xenia168
xenia168 xenia168
  • 07-05-2022

Answer:

Step-by-step explanation:

Let use Exterior Angle Sum Theorem:

2x + 70° = 110°

2x = 110° - 70°

2x = 40°

x = 20 °

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