monicatserendavaa226
monicatserendavaa226 monicatserendavaa226
  • 01-06-2024
  • Mathematics
Answered

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Answer :

jsimpson11000 jsimpson11000
  • 01-06-2024

Answer:

Step-by-step explanation:

Use Law of Cosines

y^2 = 21^2 + 15^2 - 2 (21)(15) cos 15°            Just solve this for 'y'

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