stormymcstormen stormymcstormen
  • 14-07-2020
  • Mathematics
contestada

what are the values of a and b?

what are the values of a and b class=

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MIRAGEE
MIRAGEE MIRAGEE
  • 14-07-2020

I hope this helps you

Ver imagen MIRAGEE
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naangmenkuuandrews
naangmenkuuandrews naangmenkuuandrews
  • 14-07-2020

Step-by-step explanation:

By using cosine rules:

6/sin45° = b/sin90°

b = 6× sin45°/sin90°

b = 9.124(3d.p)

Also,

using Pythagoras theorm of right-triangle

b² = 6² + a²

9.124² = 6² + a²

83.247376 = 36 + a²

83.247376-36 = a²

47.247376 = a²

√47.247376 = a

6.874 = a

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