A homeowner wants to install a sensor: Geometry with Circular Sector | ENEM 2024 Question 155

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📐 In this video, I solve Question 155 about a presence sensor installed to protect a property. Learn how to calculate the coverage area in a circular sector format, considering the angle and the detection radius.

🔍 The question involves plane geometry applied to a practical context: a sensor that detects movements in a region in the shape of a circular sector. I explain step by step how to relate the angle α (in degrees) and the radius R (in meters) to determine the ideal coverage area.

✅ This resolution methodology is applicable to several math questions that involve circular sectors, angles and areas, very common in entrance exams and public exams.

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#PlaneGeometry #CircularSector #AppliedMathematics #QuestionSolving #Cafemática #ProfFernando #MathematicsForUniversityExams #PresenceSensor



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