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Charlotte, Lily, and Emma are camping in their tents. The distance between Charlotte and Lily is 15 feet, the distance between
Charlotte and Emma is 20 feet, and the distance between Lily and Emma is 18 feet When Emma looks from her tent, what is the
angle between Charlotte and Lily's tents? Round your answer to the nearest degree
)
46°
B)
60
69
D)
74°

Respuesta :

CuteIzzy

Answer:

46

Step-by-step explanation:

c^2=a^2+b^2-2ab cos C

15^2=20^2+18^2-2(20)(18)cos E

E=46

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