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A 12 cm rod is held between a flashlight and a wall as shown. Find the length of the shadow on the wall if the rod is 45 cm from the wall and 15 cm from the light.
  • a)
    75 cm
  • b)
    96 cm
  • c)
    48 cm
  • d)
    60 cm
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A 12 cm rod is held between a flashlight and a wall as shown. Find the...

In ΔADM and ΔABF
∠DAM = ∠BAF (Common)
∠DMA = ∠BFM (Corresponding angles)
∴ ΔADM ~ ΔABF (By AA similarity)

∴ BC = BF + FC = 2BF = 48 cm (∵ CF = BF)
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A 12 cm rod is held between a flashlight and a wall as shown. Find the length of the shadow on the wall if the rod is 45 cm from the wall and 15 cm from the light.a)75 cmb)96 cmc)48 cmd)60 cmCorrect answer is option 'C'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about A 12 cm rod is held between a flashlight and a wall as shown. Find the length of the shadow on the wall if the rod is 45 cm from the wall and 15 cm from the light.a)75 cmb)96 cmc)48 cmd)60 cmCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A 12 cm rod is held between a flashlight and a wall as shown. Find the length of the shadow on the wall if the rod is 45 cm from the wall and 15 cm from the light.a)75 cmb)96 cmc)48 cmd)60 cmCorrect answer is option 'C'. Can you explain this answer?.
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