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dolphi86 [110]
3 years ago
6

In an orienteering competition, Jada walks 70 degrees north of west for 200 meters. She then walks due east for 90 meters. How f

ar and at what bearing is Jada from her starting point?

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
4 0
The distance Jada is from starting point will be found using the cosine formula:
c²=a²+b²-2abCos C
a=200, b=90, C=70°
thus plugging in our values we get:
c²=200²+90²-2×200×90×cos70
c²=40000+8100-36000(0.3420)
c²=35788
hence
c=189.1772 m'
therefore the distance Jada is from the starting point is 189.1772 m
Vikki [24]3 years ago
4 0

Answer:

N55.0679°W

Step-by-step explanation:

Check the attachment for detailed explanation.

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