Math Problem Statement
Paula seeks the width of Orion’s Belt, a pattern of stars in the Orion constellation. The stars Alnitak and Mintaka are the endpoints of Orion's Belt. It is [736] light years ( [\text{l.y.}]) from Paula's planet to Alnitak and [915,\text{l.y.}] from her planet to Mintaka. The stars are [3\degree] apart in Paula's sky, as shown.
[;;3^\circ] [\Large ?] [736\text{ l.y.}] [915\text{ l.y.}] What is the width of Orion’s Belt? That is, what is the distance between Alnitak and Mintaka? Do not round during your calculations. Round your final answer to the nearest light year.
[\text{l.y.}]
Solution
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Math Problem Analysis
Mathematical Concepts
Spherical Trigonometry
Angle Conversion
Law of Cosines
Formulas
Law of Cosines for Spherical Trigonometry: cos(c) = cos(a) * cos(b) + sin(a) * sin(b) * cos(C)
Angle Conversion: C (in radians) = 3 * pi / 180
Theorems
Law of Cosines
Suitable Grade Level
Grades 11-12
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