How do you find the area of a circle? Can you measure the area of a circle and use that to find a value for Pi?

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

To illustrate the formula for the area of a circle: A circle can be cut into sectors close sectorA portion of a circle with a perimeter made up of two radii and an arc. . The sectors can be ...

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.