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Sine rule / trigonometry how do i answer this
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4 votes
Sine rule / trigonometry
how do i answer this

Sine rule / trigonometry how do i answer this-example-1
User Dror Fichman
by
3.8k points

1 Answer

3 votes

Explanation:

area of first triangle =1/2×112×202×sin30°

  • 1/2×112×202×1/2
  • 5656m²

area of second circle=1/2×202×197×sin60.5°

  • 1/2×202×197×0.870
  • 17310.39m²

Total area of estates=area of first triangle +area of second triangle

  • 5656+17310.36
  • 22966.39m²

hope it helps.

User Przemek K
by
3.7k points
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