CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The slant height of a right circular cone is 10 m and its height is 8 m. Find the area of its curved surface. (in m2)

A
30π
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
40π
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
60π
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
80π
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 60π
Given, slant height, l=10 mheight, h=8 mWe know, l=r2+h2,where, r is the radius of the cone.So, r2=l2h2 =10064 =36r=6 mCurved surface area =πrl =π×6×10 =60π m2

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Surface Area of Solids
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon