What is the formula for the volume of a hexagonal pyramid?
Understand the Problem
The question is asking for the mathematical formula used to calculate the volume of a hexagonal pyramid. The volume of a pyramid is generally derived from the area of the base and its height.
Answer
The formula for the volume of a hexagonal pyramid is: $$ V = \frac{\sqrt{3}}{2} \cdot s^2 \cdot h $$
Answer for screen readers
The volume of a hexagonal pyramid is given by the formula: $$ V = \frac{\sqrt{3}}{2} \cdot s^2 \cdot h $$
Steps to Solve
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Understanding the Formula for Volume To calculate the volume of any pyramid, including a hexagonal pyramid, we use the formula: $$ V = \frac{1}{3} \cdot B \cdot h $$ where ( V ) is the volume, ( B ) is the area of the base, and ( h ) is the height of the pyramid.
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Finding the Area of the Hexagonal Base The base of a hexagonal pyramid is a hexagon. The area ( B ) of a regular hexagon can be calculated using the formula: $$ B = \frac{3\sqrt{3}}{2} \cdot s^2 $$ where ( s ) is the length of one side of the hexagon.
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Combining the Formulas Substituting the area of the hexagon into the volume formula, we get: $$ V = \frac{1}{3} \cdot \left(\frac{3\sqrt{3}}{2} \cdot s^2\right) \cdot h $$
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Simplifying the Volume Formula This simplifies to: $$ V = \frac{\sqrt{3}}{2} \cdot s^2 \cdot h $$
This formula gives you the volume of a hexagonal pyramid in terms of its base side length ( s ) and its height ( h ).
The volume of a hexagonal pyramid is given by the formula: $$ V = \frac{\sqrt{3}}{2} \cdot s^2 \cdot h $$
More Information
The formula for the volume of a hexagonal pyramid uses the properties of both pyramids and hexagons. Knowing this formula can be helpful in geometry-related problems, especially in architecture and design where hexagonal shapes are common.
Tips
- Forgetting to Convert the Units: Make sure that when using the dimensions in the formula, they are in the same unit system (e.g., all in centimeters or all in meters).
- Confusing Base Area: Some might mistakenly use the perimeter of the hexagon instead of the area. Always ensure you compute the area correctly using the side length.