aidanjwatt aidanjwatt
  • 18-05-2020
  • Mathematics
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13 POINTS!!!

In ΔJKL, j = 74 inches, k = 14 inches and l=67 inches. Find the measure of ∠L to the nearest degree.

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amna04352
amna04352 amna04352
  • 18-05-2020

Answer:

55°

Step-by-step explanation:

Using cosine law

67² = 74² + 14² - 2(74)(14)cos(L)

cos(L) = 169/396

L =55.18378419

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