In ΔABC , if a= 2, b=3, c=4, then cos A=

1.  7/8

2.  5/7

3.  6/7

4.  5/8

View Answer  
4
Correct Answer :

7/8


Explanation :
No Explanation available for this question

1.  0

2.  1

3.  2/9

4.  7/12

View Answer  
4
Correct Answer :

7/12


Explanation :
No Explanation available for this question

In ΔABC , if a= 4, b=5, C=600, then c=

1.  2√3

2.  √21

3.  8

4.  14

View Answer  
4
Correct Answer :

√21


Explanation :
No Explanation available for this question

1.  5

2.  5/2

3.  3/7

4.  5/3

View Answer  
4
Correct Answer :

5/2


Explanation :
No Explanation available for this question

1.  4

2.  -4

3.  8

4.  -8

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

In ΔABC , if a=4 cm, b=5cm, c=7 cm, then cos =

1.  1/√5

2.  1/√2

3.   

4.  2/3

View Answer  
4
Correct Answer :

 


Explanation :
No Explanation available for this question

1.  1/4

2.  3/4

3.  4

4.  -4

View Answer  
4
Correct Answer :

-4


Explanation :
No Explanation available for this question

Two opposite vertices of a square  are (1,-2) and (-5,6) then the other vertices are

1.  (3,5), (2,6)

2.  (-3,2), (2,7)

3.  (2,5), (-6,-1)

4.  (-2,-5), (6,-1)

View Answer  
4
Correct Answer :

(2,5), (-6,-1)


Explanation :
No Explanation available for this question

In ΔABC , if a=4 cm, b=7cm, c=9 cm, then tan=

1.  1/√5

2.  1/√20

3.  √20

4.  2/3

View Answer  
4
Correct Answer :

1/√20


Explanation :
No Explanation available for this question

A square has two opposite vertices at the points (2,3) and (4,1). Then length of the side is

1.  0

2.  1

3.  2

4.  3

View Answer  
4
Correct Answer :

2


Explanation :
No Explanation available for this question
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