From a circular sheet of radius 10 cm, a sector of an area of 40% of that of the sheet - Maths - Areas Related to Circles

Question

From a circular sheet of radius 10 cm, a sector of an area of 40%
of that of the sheet is removed If the remaining part is used to
make a conical surface, then find the ratio of radius to the height
of the cone Please answer asap Board Exam tomorrow

Neha Sethi · Accepted Answer

Dear student
Perimeter of circular sheet=2πr=20πcmThe perimeter of base of conical surface=20π100-40100=12πradius of base of conical surface=12π2π=6 cmand height of conical surface=102-62=8 cmSo the required ratio=68=34
Regards

From a circular sheet of radius 10 cm, a sector of an area of 40% of that of the sheet is removed. If the remaining part is used to make a conical surface, then find the ratio of radius to the height of the cone. Please answer asap.... Board Exam tomorrow.