ENEM PPL 2023 - Em uma sala escura há um ponto luminoso, a mais de 3 metros de distância

🔥 Join the largest and best educational platform for getting into medical school through ENEM and other entrance exams.👇🏼 https://plataformaviniciusoliveira.co... 📸 Social media:   / viniciusdeoliiveira   📚 ENEM PPL 2023 - In a dark room, there is a luminous point more than 3 meters away from a wall, and a disc hanging parallel to the wall, between it and the luminous point. The disc is 1 meter away from the luminous point, projecting a shadow S1, in the shape of a circle, on the wall. This disc is moved 2 m further away from the luminous point, towards the shadow and without touching the wall, projecting another shadow S2, also in the shape of a circle. Let A1 be the area of ​​S1 and A2 the area of ​​S2. The value of A A1/2 is A) 1. B) 2. C) 3. D) 4. E) 9. ✅ Question number in the exam booklets: Question 160 of the ENEM PPL 2023 in the yellow booklet; Question 150 of the ENEM PPL 2023 in the pink booklet; Question 169 of the ENEM PPL 2023 in the gray booklet; Question 179 of the ENEM PPL 2023 in the blue booklet.