Chapter Overview
The chapter Perimeter and Area introduces students to the basic concepts of measurement related to length and surface. It covers how to find the perimeter (the distance around a shape) and the area (the space inside it) of various 2D shapes such as rectangles, squares, and triangles. Students will also learn to apply these concepts to solve real-life problems involving fencing, tiling, and covering surfaces.
Important Keywords
- Perimeter: The total length of the boundary of a closed figure.
- Area: The region enclosed within the boundary of a plane figure.
- Rectangle: A four-sided shape with opposite sides equal and four right angles.
- Square: A rectangle with all sides equal.
- Unit: A standard quantity used to measure perimeter (cm, m) and area (sq cm, sq m).
- Formula: A mathematical expression used to calculate perimeter or area.
Detailed Notes
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