Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • NCERT
  • A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m.

9    A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m.

        

 

Answers (1)

best_answer

Area in one complete revolution of roller =  2πrh.  = 2\Pi \times0.42\times1 = 2.638\ m^2

So area of road  = 2.638\ m^2\times 750 = 1979.20\ m^2

Posted by

Devendra Khairwa

View full answer

Similar Questions

Trending Articles/News

anam-khan

NVS LEST 2025 application correction deadline today at navodaya.gov.in; editable fields
anam-khan

NVS 2025 application correction window for Class 9, 11 admissions opens at navodaya.gov.in
anam-khan

NVS Class 9, 11 Admission 2025: LEST registration last date extended again; apply by November 26

Latest Question