- Prove:The area of a circlewith diameter is
- A circleis inscribedin a square.
The yellowshadedarea is whatpercentof the square?
- The circumferenceof a circleis feet. Whatis the area of the circle?
- A centerpivotirrigationsystemhas a boomthat is long.The boomis anchoredat the centerpivot.
It revolvesaroundthe centerpivotpointonceeverythreedays,irrigatingthe groundas it turns.How many
hectaresof land are irrigatedeachday?
( hectare )
- Vicki is cuttingout a gasketin her machineshop.She madea largecircleof gasketmaterial,then cut out
and removedthe two smallcircles.The centersof the smallcirclesare on a diameterof the largecircle.
Eachsquareof the grid is 1 squareinch.