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From the top of a building 60 m high the angles

mehapatel (#233) 1194 days ago News cbse study material class 10 mathematics All https://www.zigya.com   Discuss  Published New Discard Success!

Let AC be the tower and BE be the building. Let height of the tower be h m. It is given that the angles of depression of the top C and bottom A of the tower, observed from top of the building be 30° and 60° respectively.In right triangle CDE, we haveIn right triangle ABE, we haveComparing (i) and (ii), we getHence, the height of the tower is 40 m.