SOLUTION: When a screen is placed 3 metres from a projector, the picture occupies 3 square
metres. How large will the picture be when the projector is 5 metres from the
screen?
I have n
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Question 593985: When a screen is placed 3 metres from a projector, the picture occupies 3 square
metres. How large will the picture be when the projector is 5 metres from the
screen?
I have no idea what the answer would be. 5 seems too easy...Maybe they didn't give enough info?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
When a screen is placed 3 metres from a projector, the picture occupies 3 square
metres. How large will the picture be when the projector is 5 metres from the
screen?
------------------
Both sides of the picture will be 5/3 as big.
3*(5/3)*(5/3) = 75/9
= 25/3 sq meters
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