Answer :

  • Answer:

d) a = 5 ; b = 5√3

  • Step-by-step explanation:

Hi there !

30°-60°-90°  Theorem

  • side opposite the 30° angle = a
  • side opposite the 60° angle => b = a√3
  • side opposite the 90° angle = 2a

1)

side opposite the 90° angle = 2a

10 = 2a => a = 10/2 => a = 5  

2)

side opposite the 60° angle => b = 5√3

Good luck !

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