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mixer [17]
3 years ago
11

Tom, Aaron, and Harry are camping in their tents. If the distance between Tom and Aaron is 153 feet, the distance between Tom an

d Harry is 201 feet, and the distance between Aaron and Harry is 175 feet, what is the angle between Aaron, Harry, and Tom?

Mathematics
1 answer:
Scrat [10]3 years ago
4 0

Answer: The angles between Aaron, Harry, and Tom are 57.32, 74.75 and 47.93 degrees

Step-by-step explanation:

The triangle ABC formed as a result of their positions is shown in the attached photo. We will apply the cosine rule. It states that

a^2 = b^2 + c^2 - 2bcCosA

From the diagram,

a = 175 feet

b = 201 feet

c = 153 feet

175^2 = 201^2 + 153^2 - 2×201×153Cos A

30625 = 40401 + 23409 - 61506CosA

30625 = 63810 - 61506CosA

61506CosA = 63810 - 30625

CosA = 33185/61506 = 0.54

A = Cos^(-1)0.54 = 57.32 degrees

To determine angle B, we would apply the sine rule. It states that

a/SinA = b/SinB = c/SinC.

Therefore,

175/Sin57.32 = 201/Sin B

175SinB = 201Sin57.32 = 168.84

SinB = 168.84/175 = 0.9648

B = Sin^(-1)0.9648 = 74.75 degrees

Since the sum of the angles in a triangle is 180 degrees,

C = 180 - 74.75 - 57.32 = 47.93 degrees

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