Circles, Compound Shapes & Cylinders

Interactive macro-enabled MS-Excel spreadsheet. Contents: Complete the definitions of the four principal parts of a circle. Name & label a drawing with the nine various parts of a circle. Define parts of a circle as a vertical line moves horizontally over it. Define parts of a circle as angle θ of a sector changes in value. Measure a circle’s diameter d & circumference C to approximate π. Measure a circle’s radius r & estimated area A to approximate π. Find a circle’s circumference C & area A given its radius r. Find a circle’s circumference C & area A given its diameter d. Find each colour’s area as a multiple of π & % of a 7-ring target. Find each colour’s area as a multiple of π & % of an 8-ring target. Find an ellipse’s perimeter P & area A given its length l & width w. Derive a formula for a cylinder’s volume V & total surface area S. Find a cylinder’s volume V & total surface area S given its d & h.