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Angle of elevation of top of a tower from two points at distances 10m and 5m from base of tower and in same straight line with it are complementary find height of tower

Angle of elevation of top of a tower from two points at distances 10m and 5m from base of tower and in same straight line with it are complementary find height of tower

Grade:10

1 Answers

Abhijeet Pradhan
24 Points
5 years ago
Tan a = h/5......Eqn1Tan (90-a) = h/10Cot a = h/10.......eqn2Multiplying eqn1 nd eqn2Tan a*cot a= h/10*h/51=(h^2)/50h^2=50h=√50=5√2m

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