Exercise 130..
1 Application in real life.
a Apoorva's school Sports Day is on March 20th. He wants to start practising 30 days
earlier. When should he start? (Take February to have 28 days.)
rs 40 minutes lat
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A man wishes to estimate the distance of a nearby tower from him. he stand at point A in front of the tower C and spots a very distant object O in line with AC. he then walks perpendicularly to AC upto B, a distance of 100m, and looks at O and C again since O is very distant, the direction BO is practicaly the same as AO, but he finds the line of sight of C shifted from the original line of sight by an angle thita =40?(thita is known as paralax ) estimate the distance of the tower C from his original position A.?
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