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  • 27-04-2019
  • Mathematics
contestada

Find the measure of a

Find the measure of a class=

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sqdancefan
sqdancefan sqdancefan
  • 27-04-2019

Answer:

  6

Step-by-step explanation:

The law of cosines is useful here.

  a^2 = 8^2 +11^2 -2·8·11·cos(32.2°) ≈ 36.070003

  a ≈ √36.070003 ≈ 6.00583

  a ≈ 6

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