MathematicsTrigonometry (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 28  32 of 51
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Question number: 28
» Mathematics » Trigonometry
Question
In the given figure, if , and then is equal to
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 29
» Mathematics » Trigonometry
Question
In figure, form a linear pair. Then, the value of x is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 30
» Mathematics » Trigonometry
Question
The perimeter of an equilateral triangle whose area is is
Choices
Choice (4)  Response  

a.  8 cm 

b.  3 cm 

c.  4 cm 

d.  12 cm 

Question number: 31
» Mathematics » Trigonometry
Question
An aero plane flying at a height of 300 m above the ground phase vertically above another plane at an instant when the angle of elevation of the two planes from the same point on the ground are and , respectively. The height of the lower plane from the ground (in m) is
Choices
Choice (4)  Response  

a.  150 

b. 


c.  50 

d. 


Question number: 32
» Mathematics » Trigonometry
Question
The value of is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

