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CBSE Class 10 Answered

The angle of elevation of a cliff from a fixed point o is 45degree .After going up a distanceof 600mtowards the top of the cliff at an inclination of 30egree.It is found the angle of elevation is 60degree. Find the height of the cliff.
Asked by Harshita Bhola | 23 Nov, 2010, 12:00: AM
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Answered by | 30 Nov, 2010, 10:49: AM

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CBSE 10 - Maths
Two pillars are standing on either side of a 80 m wide road. Height of one pillar is 20 m more than the height of the other pillar. From a point on the road between the pillars, the angle of elevation of the higher pillar is 60°, whereas that of the other pillar is 30°. Find the position of the point between the pillars and the height of each pillar. (Use √3 = 1-73)
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CBSE 10 - Maths
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CBSE 10 - Maths
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CBSE 10 - Maths
a person standing on the bank of a river observes that the angle subtented by a tree on the opposite bank of 60 degree. when he retreates 20m from the bank he find the angle to be 30 degree . find the height of the tree and the bradth of the river
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