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CAN SOME HELP ME WITH THIS PLZ AND THANK U

CAN SOME HELP ME WITH THIS PLZ AND THANK U class=

Sagot :

9514 1404 393

Answer:

  d) 15°

  e) 36°

  f) 39°

  g) 126°

Step-by-step explanation:

Each segment from S to the vertex bisects the angle at the vertex.

  ∠RPS = ∠RPQ/2 = 30°/2 = 15°

  ∠PQS = ∠PQR/2 = 72°/2 = 36°

  ∠PRS = ∠PRQ/2 = 78°/2 = 39°

  ∠PSR = 180° -∠RPS -∠PRS = 180° -15° -39° = 126°