1
NDA Mathematics 16 April 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following for the next two (02) items that follow :

The perimeter of a triangle ABC is 6 times the AM of sine of angles of the triangle.

Further BC = √3 and CA = 1

What is the perimeter of the triangle ?
A
√3 + 1
B
√3 + 2
C
√3 + 3
D
2√3 + 1
2
NDA Mathematics 16 April 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following for the next two (02) items that follow :

The perimeter of a triangle ABC is 6 times the AM of sine of angles of the triangle.

Further BC = √3 and CA = 1

Consider the following statements :

1. ABC is right angled triangle

2. The angles of the triangle are in AP

Which of the statements given above is/are correct ? 

A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2
3
NDA Mathematics 16 April 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following for the next two (02) items that follow :

In the triangle ABC, 

a2 + b2 + c2 = ac + √3 bc

What is the nature of the triangle ? 
A
Equilateral
B
Isosceles
C
Right angled triangle
D
Scalene but not right angled
4
NDA Mathematics 16 April 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following for the next two (02) items that follow :

In the triangle ABC, 

a2 + b2 + c2 = ac + √3 bc

If c = 8, what is the area of the triangle ?
A
4√3
B
6√3
C
8√3
D
12√3
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