Home Back

Slant Height of Cone given Lateral Surface Area Calculator

Formula Used:

\[ \text{Slant Height of Cone} = \frac{\text{Lateral Surface Area of Cone}}{\pi \times \text{Base Radius of Cone}} \]

m

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Slant Height of Cone?

The slant height of a cone is the distance from the apex (top point) of the cone to any point on the circumference of the circular base, measured along the lateral surface. It represents the hypotenuse of the right triangle formed by the height and base radius of the cone.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \text{Slant Height} = \frac{\text{Lateral Surface Area}}{\pi \times \text{Base Radius}} \]

Where:

Explanation: This formula derives from the relationship between the lateral surface area and the geometry of the cone's curved surface.

3. Importance of Slant Height Calculation

Details: Calculating the slant height is essential for various geometric applications, including determining the total surface area, understanding the cone's dimensions, and solving problems in architecture and engineering where conical shapes are involved.

4. Using the Calculator

Tips: Enter the lateral surface area in square meters and the base radius in meters. Both values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What is the difference between slant height and height of a cone?
A: The height is the perpendicular distance from the apex to the base, while the slant height is measured along the lateral surface from apex to base circumference.

Q2: Can this formula be used for truncated cones?
A: No, this formula is specifically for right circular cones. Truncated cones (frustums) require a different approach.

Q3: What are the units for slant height?
A: Slant height is measured in the same units as the base radius (meters, centimeters, etc.).

Q4: How accurate is this calculation?
A: The calculation is mathematically exact when using precise values for lateral surface area and base radius.

Q5: What if I know the height instead of lateral surface area?
A: If you know the height and base radius, you can calculate slant height using the Pythagorean theorem: \(\sqrt{height^2 + radius^2}\).

Slant Height of Cone given Lateral Surface Area Calculator© - All Rights Reserved 2025