harrisgman9 harrisgman9
  • 01-04-2020
  • Mathematics
contestada

In ΔKLM, k = 1.8 inches, ∠M=27° and ∠K=116°. Find the length of l, to the nearest 10th of an inch.

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amna04352
amna04352 amna04352
  • 01-04-2020

Answer:

1.2 inches

Step-by-step explanation:

Since total angle in a triangle is 180,

∠L = 180 - ∠K - ∠M

∠L = 180 - 116 - 27

∠L = 37°

Using sine law:

k/sinK = l/sinL

1.8/sin(116) = l/sin(37)

l = sin(37) × 1.8/sin(116)

l = 1.205245013

Answer Link
Аноним Аноним
  • 01-04-2020

Since total angle in a triangle is 180,

∠L = 180 - ∠K - ∠M

∠L = 180 - 116 - 27

∠L = 37°

Using sine law:

  • k/sinK = l/sinL

1.8/sin(116) = l/sin(37)

l = sin(37) × 1.8/sin(116)

l = 1.205245013

Answer Link

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