Math Problem Statement
Hilary and Dale leave camp and go for a long hike. After going 7 km due east, they
turn and go another 8 km in the direction 60 degrees north of east. They plan to return along a
straight path. How far from camp are they at this point? Use an angle to describe the direction
that Hilary and Dale should follow to reach their camp.
Solution
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Math Problem Analysis
Mathematical Concepts
Vector Addition
Trigonometry
Displacement
Pythagorean Theorem
Inverse Tangent Function
Formulas
Displacement = √(x² + y²)
x-component = magnitude × cos(angle)
y-component = magnitude × sin(angle)
tan(θ) = y-component / x-component
Theorems
Pythagorean Theorem
Trigonometric Ratios
Suitable Grade Level
Grades 10-12
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