Properties of Triangles · Mathematics · NDA

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MCQ (Single Correct Answer)

NDA Mathematics 21 April 2024
$ABC$ is a triangle such that angle $C = 60^{\circ}$, then what is $\frac{\cos A + \cos B}{\cos \left(\frac{A - B}{2}\right)}$ equal to?
NDA Mathematics 21 April 2024
In a triangle $ABC$, $AB=16 \text{ cm}, BC=63 \text{ cm}$ and $AC=65 \text{ cm}$. What is the value of $\cos 2A+\cos 2B+\cos 2C$?
NDA Mathematics 21 April 2024
Consider the following statements:1. In a triangle $ABC$, if $\cot A \cdot \cot B \cdot \cot C>0$, then the triangle is an acute-angled triangle.2. In...
NDA Mathematics 3 September 2023
What is the value of a + b + √2 c equal to ?
NDA Mathematics 3 September 2023
What is the ratio of a2 ∶ b2 ∶ c2 ?...
NDA Mathematics 16 April 2023
What is the perimeter of the triangle ?
NDA Mathematics 16 April 2023
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/...
NDA Mathematics 16 April 2023
What is the nature of the triangle ? 
NDA Mathematics 16 April 2023
If c = 8, what is the area of the triangle ?
NDA Mathematics 16 April 2023
What is the value of n ? 
NDA Mathematics 16 April 2023
What is the length of the smallest side ?
NDA Mathematics 4 September 2022
What is $\frac{\text{AB}}{\sin \text{C}}$ equal to ?
NDA Mathematics 4 September 2022
What is cos A + cos B + cos C equal to ?
NDA Mathematics 4 September 2022
In a triangle ABC, a = 4, b = 3, c = 2. What is cos 3C equal to ?
NDA Mathematics 10 April 2022
Let a, b, c be the lengths of sides BC, CA, AB respectively of a triangle ABC. If p is the perimeter and q is the area of the triangle, then what is $...
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