Question:medium

In a triangle $ABC$, if $a = 13$, $b = 14$, $c = 15$, then the area of the triangle is:

Show Hint

A triangle with sides $13, 14, 15$ is a standard classic triangle in geometry problems; its area is always $84$, and its semi-perimeter is $21$. Remembering this saves valuable time.

Updated On: Oct 6, 2026

Show Solution

The Correct Option is A

Solution and Explanation

Was this answer helpful?

Questions Asked in AP EAPCET exam

Let \[ f(x)=\int \frac{\sqrt{x}}{(1+x)^2}\,dx \quad (x\geq 0) \] Then \[ f(3)-f(1) \] is equal to:

AP EAPCET - 2026
Definite and indefinite integrals

View Solution

Gas is being pumped into a spherical balloon at the rate of $ 30 \, \text{ft}^3/\text{min} $. Then the rate at which the radius increases when it reaches the value $ 15 \, \text{ft} $ is:

AP EAPCET - 2026
Differentiation

View Solution

Let the function $ f(x) $ be defined as $ f(x) = \frac{x - |x|}{x} $, then:

AP EAPCET - 2026
Definite and indefinite integrals

View Solution

If the direction ratios of two lines are given by $ l + m + n = 0 $ and $ mn - 2ln + lm = 0 $, then the angle between the lines is:

AP EAPCET - 2026
3D Geometry

View Solution

In a triangle $ABC$, if $a = 13$, $b = 14$, $c = 15$, then the area of the triangle is:

Show Hint

The Correct Option is A

Solution and Explanation

Top Questions on Trigonometry

Questions Asked in AP EAPCET exam