Heron's Formula کا حساب کیسے لگائیں
Heron's Formula کیا ہے؟
Heron's formula calculates triangle area from three side lengths. Named after Hero of Alexandria (c. 10–70 AD), it requires no height measurement.
فارمولا
s = (a+b+c)/2; A = √(s(s−a)(s−b)(s−c))
- a, b, c
- side lengths (length)
- s
- semi-perimeter (length)
- A
- triangle area (length²)
مرحلہ وار گائیڈ
- 1Compute s = (a+b+c)/2
- 2Area = √(s·(s−a)·(s−b)·(s−c))
- 3Verify triangle inequality first
- 4Result is exact for integer sides
حل شدہ مثالیں
ان پٹ
a=3, b=4, c=5
نتیجہ
Area = 6 (right triangle)
ان پٹ
a=13, b=14, c=15
نتیجہ
Area = 84
اکثر پوچھے جانے والے سوالات
What is the difference between heron-formula and heron-formula-calc?
The -calc version is a focused calculator; heron-formula is the broader educational reference.
Can Heron's formula be used for any triangle?
Yes, any valid triangle (satisfying triangle inequality). It works for right, acute, and obtuse triangles.
How does Heron's formula compare to ½ × base × height?
Both give the same area. Heron's formula is used when height is unknown; base × height when height is known.
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