Indyak12
Indyak12 Indyak12
  • 19-12-2017
  • Mathematics
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What is the measure of ∠S?

What is the measure of S class=
What is the measure of S class=

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SvetlanaM
SvetlanaM SvetlanaM
  • 19-12-2017
∠S = 360° - ∠T - ∠Q - ∠R 
∠T = 90°
∠Q = 128°
∠R = 57°
∠S = 360° - 90° - 128° - 57° = 85°
Answer: ∠S = 85°.
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