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Slant Height Calculator Pyramid

Slant Height Formula:

\[ l = \sqrt{\left(\frac{base}{2}\right)^2 + h^2} \]

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1. What is Slant Height of a Pyramid?

The slant height (l) of a square pyramid is the distance from the apex (top) to the midpoint of any side of the base, measured along the pyramid's face. It's different from the pyramid's vertical height (h).

2. How Does the Calculator Work?

The calculator uses the slant height formula:

\[ l = \sqrt{\left(\frac{base}{2}\right)^2 + h^2} \]

Where:

Explanation: The formula comes from the Pythagorean theorem, where the slant height is the hypotenuse of a right triangle formed by half the base and the pyramid's height.

3. Importance of Slant Height Calculation

Details: Slant height is crucial for calculating the pyramid's lateral surface area, total surface area, and in architectural design and construction of pyramid-shaped structures.

4. Using the Calculator

Tips: Enter the base length and vertical height in the same units. Both values must be positive numbers. The result will be in the same units as your input.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between slant height and height?
A: Height (h) is the perpendicular distance from base to apex, while slant height (l) is the distance along the triangular face from apex to base midpoint.

Q2: Does this formula work for all pyramids?
A: This exact formula works only for square pyramids. Other pyramid types require different calculations.

Q3: Can I use this for truncated pyramids?
A: No, this calculator is for complete pyramids only. Truncated pyramids (frustums) require a different formula.

Q4: What units should I use?
A: Any consistent units (cm, m, inches, etc.) can be used as long as both measurements are in the same units.

Q5: How accurate is this calculation?
A: The calculation is mathematically exact for perfect square pyramids. Real-world measurements may introduce small errors.

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