made fron the given sphere.A vertical pole of length 6 m casts a shado – InterviewSolution

1.	made fron the given sphere.A vertical pole of length 6 m casts a shadow 4 m long on the ground and at the same time a towercasts a shadow 28 m long. Find the height of the tower.20.ircumference of a circular track [Fig. 31 is 220 m. The track is 7 m wide everywhere.
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