A car has two wipers which do not ever sap. Each wiper has a blade of length 24cm sweeping
through an angle of105 deggree
. Find the total area cleaned at each sweep of the blades.
Share
A car has two wipers which do not ever sap. Each wiper has a blade of length 24cm sweeping
through an angle of105 deggree
. Find the total area cleaned at each sweep of the blades.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
Area swept by one blade: 168π
Area swept bu two blades: 2* 168π
Step-by-step explanation:
Area cleaned by both blades = 2* area of a sector
= 2* theta/360* πr^2
= 2* 105/360 *π * 24^2
= 2* 7*π*24
= 2* 168π