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Help me solve this - Trigonometry - JEE Main-5

What is the measure of angle \frac{55}{4}\degree?

  • Option 1)

    14\degree

  • Option 2)

    14\degree15'

  • Option 3)

    13\degree45'

  • Option 4)

    13\degree30'

 
Answers (1)
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As we have learnt,

 

Sexagesimal System -

In this system, an angle is measured in degrees, minutes and seconds.

- wherein

1\ right angle = 90^{\circ}

1^{\circ} = 60{}'

1{}' = 60{}''

 

 Angle = \frac{55}{4}\degree = \frac{52}{4}\degree + \frac{3}{4}\degree = 13\degree45'

 


Option 1)

14\degree

Option 2)

14\degree15'

Option 3)

13\degree45'

Option 4)

13\degree30'

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