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While facing north, Lisa and Aaron decide to hike to their campsite. Lisa plans to hike 5 miles due north to Lake
Toftee before she goes to the campsite. Aaron plans to turn 38. east and hike 7.4 miles directly to the campsite.
How far will Lisa have to hike from the lake to meet Aaron at the campsite? Start by drawing a diagram of the
situation, then calculate the distance.

Respuesta :

Use law of cosines

a^2 + b^2 - 2ab cos (theta)   = c^2          c is the distance she will have to hike       a = 7.4 m  b = 5 m   theta =38 degrees    

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