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Find Missing Length of Right Triangle

Pythagorean Theorem:

\[ a = \sqrt{c^2 - b^2} \]

meters
meters

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1. What is the Missing Length Calculator?

Definition: This calculator finds the missing side length (a) of a right triangle using the Pythagorean theorem when you know one side (b) and the hypotenuse (c).

Purpose: It helps students, engineers, and construction professionals quickly solve for missing dimensions in right-angled triangles.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ a = \sqrt{c^2 - b^2} \]

Where:

Explanation: The formula rearranges the Pythagorean theorem to solve for the unknown side when the hypotenuse and one side are known.

3. Importance of Right Triangle Calculations

Details: Right triangle calculations are fundamental in geometry, construction, navigation, and many engineering applications.

4. Using the Calculator

Tips: Enter the known side length (b) and hypotenuse (c). The hypotenuse must be longer than the known side. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What if I know side a but need to find side b?
A: Simply rearrange the formula to \( b = \sqrt{c^2 - a^2} \).

Q2: What units does this calculator use?
A: The calculator uses meters, but any consistent unit can be used as long as all inputs are in the same unit.

Q3: Why do I get an error message?
A: You'll get an error if the hypotenuse is shorter than the known side, which violates the Pythagorean theorem.

Q4: Can this calculator find the hypotenuse?
A: No, this specific calculator finds a missing side when the hypotenuse is known. Use \( c = \sqrt{a^2 + b^2} \) for hypotenuse.

Q5: How accurate are the results?
A: Results are accurate to 3 decimal places, sufficient for most practical applications.

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