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RECTANGULAR PRISM

Rectangular Prism

Definition Of Rectangular Prism

A prism with six rectangular faces is called a Rectangular prism

More about Rectangular Prism

Opposite faces of a rectangular prism are equal and parallel.
A rectangular prism has 6 faces and 12 edges.
Volume of a rectangular prism = length X width X height
Surface area of a prism = 2(lw + wh + lh), where l is the length, w is the width, and h is the height of rectangular prism. 

Example of Rectangular Prism

rectangular-prism 
The above solid has two rectangular bases and all its faces are rectangular.

Video Examples: Rectangular Prism

Solved Examples on Rectangular prism

Ques: Which figure is of a rectangular prism?

Examples of Rectangular prism

Choices:

A. Figure 1
B. Figure 2
C. Figure 3
D. Figure 4
Correct Answer: B

Solution:

Step 1: A rectangular prism is a solid in which there are two parallel and congruent surfaces and rest all faces are rectangular.
Step 2: Here, Figure 2 represents a rectangular prism.

Quick Summary

  • Opposite faces are equal and parallel.
  • Has 6 faces and 12 edges.
  • Volume = length X width X height
  • Surface area = 2(lw + wh + lh)
\[ V = lwh; SA = 2(lw + wh + lh) \]

⚠️ Common Mistakes

  • Confusing surface area and volume.
  • Incorrectly identifying length, width, and height.

🌍 Real-World Uses

  • Shipping boxes used by companies like Amazon to transport goods.
  • Bricks used in construction of buildings and walls.
  • Aquariums for housing fish and other aquatic life.

📋 Standards Alignment

  • CCSS.MATH.CONTENT.6.G.A.2
  • CCSS.MATH.CONTENT.7.G.B.6

🔗 Related Links

🍎 Teacher Insights

Use physical models to demonstrate the properties of rectangular prisms.

🎓 Prerequisites

  • Rectangle
  • Area
  • Volume

Check Your Knowledge

Q1: Which figure is a rectangular prism?

Q2: What is the formula for the volume of a rectangular prism?

Frequently Asked Questions

Q: What is the difference between a rectangular prism and a cube?
A: A cube is a special type of rectangular prism where all sides are equal.

Q: How do you calculate the volume of a rectangular prism?
A: Multiply the length, width, and height together.

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