Class 10 Exam  >  Class 10 Notes  >  Lab Manuals for Class 10  >  Viva Voce: Surface Area of a Cone

Viva Voce: Surface Area of a Cone | Lab Manuals for Class 10 PDF Download

Q.1. What is the radius of the base of a cone of height 6 cm and slant height 10 cm ?

8 cm.


Q.2. Find slant height of a cone of base radius 3 cm and height 4 cm.

5 cm.


Q.3. How many circular faces are there in a solid cone ?

One.


Q.4. What is the lateral surface area of a cone?

πrl , l= slant height, r— radius of base.


Q.5. What is the lateral surface area of a cone if its height is 2 times of the radius ?

5–√πr2


Q.6. Number of vertex of a cone is

One


Q.7. What is the total surface area of a cone ?

π r(l+r) , l= slant height, r= radius of base.


Q.8.  What is the relation between slant height and base radius of a cone?

l2 = h2 + r2 , l= slant height, r— radius of cone, h = height of cone.


Q.9. A conical tent is 10 m high and the radius of its base is 24 m, then its slant height
(a) 24 m
(b) 25 m
(c) 26 m
(d) none of these

Correct Option is (c) 


Q.10.  Curved surface area of a cone of base radius 7 cm is 308 cm2, then its slant height is
(a) 7 cm
(b) 14 cm
(c) 21 cm
(d) 28 cm

Correct Option is (b) 

The document Viva Voce: Surface Area of a Cone | Lab Manuals for Class 10 is a part of the Class 10 Course Lab Manuals for Class 10.
All you need of Class 10 at this link: Class 10
91 docs

Top Courses for Class 10

91 docs
Download as PDF
Explore Courses for Class 10 exam

Top Courses for Class 10

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

ppt

,

Summary

,

Previous Year Questions with Solutions

,

Exam

,

past year papers

,

Extra Questions

,

Objective type Questions

,

Semester Notes

,

Viva Voce: Surface Area of a Cone | Lab Manuals for Class 10

,

mock tests for examination

,

MCQs

,

shortcuts and tricks

,

Viva Voce: Surface Area of a Cone | Lab Manuals for Class 10

,

Viva Questions

,

Free

,

video lectures

,

Sample Paper

,

pdf

,

Important questions

,

practice quizzes

,

Viva Voce: Surface Area of a Cone | Lab Manuals for Class 10

,

study material

;