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slega [8]
3 years ago
15

Suppose a triangle has two sides of length 2 and 3 and that angle between these two sides is 60 degrees. What is the length of t

he third side
Mathematics
1 answer:
Arturiano [62]3 years ago
6 0

Answer:

Apply cosine rule:

c²=b²+a²-2ba cosC

C= pi/3 = 180/3 = 60 degrees

cosine 60 deg = 0.5

c²=2²+3²-[2×2×3×0.5]

c²=7

c=√7

c=2.645 ;length of third side of angle

Step-by-step explanation:

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