Formula Used:
From: | To: |
The Side B of Quadrilateral formula calculates the length of side B when the perimeter and the lengths of the other three sides are known. It is derived from the basic perimeter formula of a quadrilateral.
The calculator uses the formula:
Where:
Explanation: The formula subtracts the sum of the three known sides from the total perimeter to find the length of the unknown side B.
Details: Calculating the unknown side of a quadrilateral is essential in geometry, construction, and various engineering applications where complete measurements are needed.
Tips: Enter the perimeter and the lengths of sides A, C, and D in meters. All values must be valid (positive numbers).
Q1: Can this formula be used for any quadrilateral?
A: Yes, this formula works for all quadrilaterals as it is based on the fundamental perimeter calculation.
Q2: What units should I use for the inputs?
A: The calculator uses meters, but you can use any consistent unit of length as long as all measurements are in the same unit.
Q3: What if the calculated side B is negative?
A: A negative result indicates that the input values are inconsistent with a valid quadrilateral. The sum of the three known sides cannot exceed the total perimeter.
Q4: Can I calculate other sides using a similar approach?
A: Yes, you can rearrange the formula to calculate any unknown side when the perimeter and the other three sides are known.
Q5: Is this formula applicable to irregular quadrilaterals?
A: Yes, the formula works for both regular and irregular quadrilaterals as it only depends on the perimeter and side lengths.