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Area of Scalene Triangle by Heron's Formula Calculator

Heron's Formula:

\[ A = \sqrt{s \times (s - a) \times (s - b) \times (s - c)} \]

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1. What is Heron's Formula?

Heron's Formula is a mathematical formula used to calculate the area of a triangle when the lengths of all three sides are known. It is particularly useful for scalene triangles where all sides have different lengths.

2. How Does the Calculator Work?

The calculator uses Heron's Formula:

\[ A = \sqrt{s \times (s - a) \times (s - b) \times (s - c)} \]

Where:

Explanation: The formula calculates the area using the semiperimeter and the differences between the semiperimeter and each side length.

3. Importance of Calculating Triangle Area

Details: Calculating the area of triangles is fundamental in geometry and has practical applications in various fields including architecture, engineering, and computer graphics.

4. Using the Calculator

Tips: Enter the semiperimeter and the lengths of all three sides in meters. All values must be positive numbers, and the semiperimeter must be greater than each side length.

5. Frequently Asked Questions (FAQ)

Q1: What is a scalene triangle?
A: A scalene triangle is a triangle where all three sides have different lengths and all three angles are different.

Q2: How do I calculate the semiperimeter?
A: The semiperimeter is calculated by adding all three side lengths and dividing by 2: \( s = \frac{a + b + c}{2} \)

Q3: Can Heron's Formula be used for all types of triangles?
A: Yes, Heron's Formula works for all types of triangles - scalene, isosceles, and equilateral.

Q4: What units should I use for the inputs?
A: Use consistent units (meters, centimeters, inches, etc.). The area will be in square units of the input measurement.

Q5: What if the inputs don't form a valid triangle?
A: The formula requires that the sum of any two sides must be greater than the third side. Invalid inputs may produce incorrect results.

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