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attashe74 [19]
3 years ago
15

triangle JKM with side j across from angle J, side k across from angle K, and side m across from angle M If ∠J measures 40°, ∠K

measures 90°, and j is 15 feet, then find k using the Law of Sines. Round your answer to the nearest tenth. 9.6 ft 10.4 ft 23.3 ft 154.5 ft
Mathematics
1 answer:
VLD [36.1K]3 years ago
3 0

Answer:

  23.3 ft

Step-by-step explanation:

The law of sines tells you ...

  k/sin(K) = j/sin(J)

Solving for k and filling in numbers, we have ...

  k = sin(K)×j/sin(J) = 1×(15 ft)/sin(40°)

  k ≈ 23.3 ft

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