arlethlimon
arlethlimon arlethlimon
  • 29-09-2020
  • Mathematics
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The sum of interior angles in a triangle are 180 degrees. Angle B and C are congruent. Angle B is twenty less than angle A. Write and solve a system of equations using substitution.

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Shreyash06
Shreyash06 Shreyash06
  • 29-09-2020

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