Math 8 Chapter 2 Lesson 2: Area of ​​a rectangle

Math 8 Chapter 2 Lesson 2: Area of ​​a rectangle 1. Theoretical Summary 1.1. The concept of polygon area The measure of a portion of the plane bounded by a polygon is called the area of ​​the polygon. Each polygon has a defined area. Polygonal area is a positive number. The area of ​​a polygon […]

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