3VocabularyTerms-Define/Illustrate

1. Perfect Square
2. Perfect Cube
3. Meaning of Pi

1. Perfect Square: A perfect square is a number that can be expressed as the product of an integer multiplied by itself. For example, 4 is a perfect square because it can be expressed as 2 x 2. Another example is 9, which can be expressed as 3 x 3.

2. Perfect Cube: A perfect cube is a number that can be expressed as the product of an integer multiplied by itself twice. For example, 8 is a perfect cube because it can be expressed as 2 x 2 x 2. Another example is 27, which can be expressed as 3 x 3 x 3.

3. Meaning of Pi: Pi (π) is a mathematical constant representing the ratio of a circle's circumference to its diameter. It is an irrational number, meaning it cannot be expressed as a simple fraction and has an infinite decimal representation. Pi is approximately equal to 3.14159 and is commonly used in geometry, trigonometry, and other branches of mathematics.