Question

1)___ type of triangle is used to calculate height and distance
2The ___ is the line drawn from the eye of an observer to the point in object by the observer
3)___ is an instrument which is used in measuring the angle between an object and the eye of the observer
4)The angle of elevation___as we move towards the foot of the vertical tower
5) Find the value of cosec 60 degree ....pls answer soon ....help mee... These are one marks ​

Answer 1

Answer:

right angle triangle

normal or line of sight

protractor

increases

cosec 60° = 1 / sin 60° = 1/(√3/2) = 2/√3.

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