from 3 to 7 feb 09 in CTE ,lucknow,up.a teacher traning programme was held.under the guidline of JD and DIOS of up education department. teacher from meerut,saharanpur,lakhimpur khiri,lucknow and unnao district had been involve to know how we can measure the circumfrence of the earth.all teacher and resource person was very exited for this experiment. pole lenth was 542 cm. and shadow was 535 cm.
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