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light

 
 
Reply Sat 18 Jan, 2014 02:36 am
a man holds a plane mirror 0.5m in front of his eyes and is able to see a 12m high tree behind him,the mirror is20.0cm high and thr image of the tree is completely fills the mirror.the distane the man is standing from the tree is
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Type: Question • Score: 2 • Views: 941 • Replies: 1
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fresco
 
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Reply Sat 18 Jan, 2014 02:49 am
@yeecheng,
HINT: SIMILAR TRIANGLES
D:50 as 1200:20
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