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Triangle Area Formula 3 Sides

Triangle Area Formula (Heron's Formula):

\[ \text{Area} = \sqrt{s(s-a)(s-b)(s-c)} \]

meters
meters
meters

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1. What is Heron's Formula for Triangle Area?

Definition: Heron's formula calculates the area of a triangle when you know the lengths of all three sides.

Purpose: It's useful when you don't have height measurements but know all three side lengths of a triangle.

2. How Does the Calculator Work?

The calculator uses Heron's formula:

\[ \text{Area} = \sqrt{s(s-a)(s-b)(s-c)} \]

Where:

Explanation: First calculate the semi-perimeter, then use it in the formula to find the area.

3. Importance of Triangle Area Calculation

Details: Calculating triangle areas is fundamental in geometry, construction, surveying, and various engineering applications.

4. Using the Calculator

Tips: Enter the lengths of all three sides in meters. All values must be positive and satisfy the triangle inequality theorem.

5. Frequently Asked Questions (FAQ)

Q1: What if my sides don't form a valid triangle?
A: The calculator will show an error if the sum of any two sides isn't greater than the third side.

Q2: What units does this calculator use?
A: The calculator uses meters for input and square meters for output, but any consistent unit can be used.

Q3: How accurate are the results?
A: Results are accurate to 3 decimal places, but actual accuracy depends on your input measurements.

Q4: Can I use this for right triangles?
A: Yes, Heron's formula works for all triangle types, though right triangles have simpler formulas.

Q5: What's the maximum side length allowed?
A: There's no technical limit, but extremely large numbers may cause floating-point precision issues.

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