MathematicsTrigonometry (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 24  28 of 48
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Question number: 24
» Mathematics » Trigonometry
Question
If the midpoints of the sides of a triangle are (1, 5), (2, 6) and (3, 2), the coordinates of the centroid of the triangle is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 25
» Mathematics » Trigonometry
Question
If the angle of elevation of a cloud from a point h m above a lake is B and the angle of depression of its reflection in the lake is a, then the height of the cloud is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 26
» Mathematics » Trigonometry
Question
If A is the area of a right angled triangle and b is one of the sides containing the right angle, then what is the length of the altitude on the hypotenuse?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 27
» Mathematics » Trigonometry
Question
If and , then is equal to
Choices
Choice (4)  Response  

a.  1 

b.  2 

c.  2 

d.  1 

Question number: 28
» Mathematics » Trigonometry
Question
In the given figure, , then which of the following is true?
Choices
Choice (4)  Response  

a.  p + q  2r = 180° 

b.  p  q + r = 180° 

c.  p + q + r = 180° 

d.  p + q  r = 180 ° 
