Formule-van-Heron-calculator
Bereken de oppervlakte van een driehoek uit de drie zijden.
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Inleiding
Heron's Formula Calculator — Find a triangle's area from its three side lengths. Enter Side a, Side b, Side c to get an instant, accurate result.
Formule
Area = √(s(s−a)(s−b)(s−c)), where s = (a+b+c)/2 is the semi-perimeter and a, b, c are the three side lengths.
Stap voor stap
- Enter the Side a.
- Enter the Side b.
- Enter the Side c.
- Click Calculate to see your result instantly.
Praktijkvoorbeeld
Example: With Side a = 3, Side b = 4, Side c = 5, the Heron's Formula Calculator gives Area: 6, Semi Perimeter: 6.
Veelgestelde Vragen
What's special about Heron's formula?
It finds a triangle's area from its three sides alone, without needing to know any angle or height.
What if the sides are invalid for a triangle?
If the radicand is not positive, the three lengths cannot form a real triangle and no area is returned.
What inputs does the Heron's Formula Calculator need?
You'll need to provide: Side a, Side b, Side c. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Heron's Formula Calculator?
The Heron's Formula Calculator applies the formula exactly as calculated — Area = √(s(s−a)(s−b)(s−c)), where s = (a+b+c)/2 is the semi-perimeter and a, b, c are the three side lengths. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Heron's Formula Calculator free to use?
Yes, the Heron's Formula Calculator is completely free, requires no signup, and runs instantly in your browser.
Over Formule-van-Heron-calculator
The Heron's Formula Calculator uses a real, verifiable formula — Area = √(s(s−a)(s−b)(s−c)), where s = (a+b+c)/2 is the semi-perimeter and a, b, c are the three side lengths. — so results are accurate every time, not an approximation.