queentor1631 queentor1631
  • 12-04-2022
  • Mathematics
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In ΔLMN, l = 3. 9 cm, m = 2. 7 cm and ∠N=133°. Find the area of ΔLMN, to the nearest 10th of a square centimeter

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sqdancefan
sqdancefan sqdancefan
  • 12-04-2022

Answer:

  3.9 cm²

Step-by-step explanation:

The area formula for a triangle when sides 'a' and 'b' and angle C are known is ...

  A = 1/2ab·sin(C)

__

The area of the specified triangle is ...

  A = 1/2(3.9 cm)(2.7 cm)sin(133°) ≈ 3.85058 cm²

The area of ΔLMN is about 3.9 square centimeters.

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