A piece of paper in the shape of a sector of a circle of radius `10cm` and of angle `216^{\circ}` just covers the latera

Ask a Question


Question Asked by a Student from EXXAMM.com Team


Q 3030512412.     A piece of paper in the shape of a sector of a circle of radius `10cm` and of angle `216^{\circ}` just covers the lateral surface of a right circular cone of vertical angle ` 2\theta` .Then ` \sin\: \theta` is
A

`3/5`

B

`4/5`

C

`3/4`

D

None of these

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

Find instant solution to any question from our database of 1.5 Lakh + Questions

 


Access free resources including

  • 100% free video lectures with detailed notes and examples
  • Previous Year Papers
  • Mock Tests
  • Practices question categorized in topics and 4 levels with detailed solutions
  • Syllabus & Pattern Analysis

Engineering


Medical


Banking


DEFENCE


SSC


RRB


CBSE-NCERT


OLYMPIAD