Calculate the straight line distance AC
1 answer:
Answer:
Cosine Formula :
AC² = AB² + BC² - 2(AB)(BC)cosB
AC² = (40)² + (60)² - 2(40)(60)cos(115°)
AC² = 1600 + 3600 - (4800×(-0.42))
AC² = 5200 + 2016
AC² = 7216
AC = √(7216)
AC = 84.95 km
Hence, the distance of the straight line AC is <u>84.95 km</u>
- <u>84.95km</u> is the right answer.
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