"What length of tarpaulin 3m wide will be required   to make a conical tent of height 8m
Channel: Doubtnut
Date: 2020-07-12

"What length of tarpaulin 3m wide will be required
 
  to make a conical tent of height 8m and base radius 6m? Assume that the extra
 
  length of material will be required for stitching margins and wastage in
 
  cutting is approximately 20 cm `(U s e\ pi=3. 14)`"