Measurement
Area of Squares and Rectangles

Measurement

• Perimeter
• Converting length units
• Circumference of a circle
• Arc length
• Converting area units
• Area of squares and rectangles
• Area of triangles
• Area of parallelograms
• Area of trapezia
• Area of kites
• Area of a circle
• Area of semi and quarter circles
• Area of sector circles
• Area of composite shapes
• Surface area of basic solids

The length of a rectangle is found simply by multiplying the length by the width.
​The length of a square is found by multiplying the length by itself.