Math Problem Statement
A car travels on a bearing of 35° for 25 miles, then turns 90° to the right and travels for a further 35 miles before stopping.
Calculate the distance of the car from its starting point. Give your answer in miles, to 2 decimal places. and Calculate the bearing from the start point of the journey to the end point. Give your answer to the nearest degree.
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Vector Calculations
Bearing
Formulas
North-South displacement = distance × cos(angle)
East-West displacement = distance × sin(angle)
Total distance = √( (North-South displacement)^2 + (East-West displacement)^2 )
Bearing = arctan(East-West displacement / North-South displacement)
Theorems
Pythagorean Theorem
Law of Cosines (implicit in triangle solutions)
Suitable Grade Level
Grades 10-12
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