Calculating perimeter of simple rectangles can be extended to more complex shapes and calculating area of compound shapes.

Sectors – area and perimeter This module builds on: M1 Circumference and area of circles A sector of a circle is an area enclosed by two radii and an arc.

Learn how to calculate the areas of rectangle, triangle, and circle in Excel for a single cell or range of cells usin this formula.

Figuring out a word problem. Calculating area and perimeter. Finding the measure of an unknown angle. All these tasks, and more, draw on an essential foundation of math knowledge, said Brian ...