hehexoxo21 hehexoxo21
  • 18-05-2021
  • Mathematics
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Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!

Please answer correctly Will mark Brianliest class=

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Аноним Аноним
  • 18-05-2021

Answer:

Hyp = 9.42

R = 71º

S = 19º

Step-by-step explanation:

Use the Pythagorean Theorem

a² + b² = c²

c² = 8.9² + 3.1²

c² = 79.21 + 9.61

c² = 88.82

Take the square root of both sides

c = 9.4244363227

Rounded

Hyp = 9.42

--------------------

sin  = opp/hyp

sinR = 8.9 / 9.42

R = arcsin(8.9/9.42)

R = 70.873645608345649

Rounded

R = 71º

------------------------

S = Unnamed angle

S = 180 - 90 - 71

S = 19º

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