1800-150-456-789
FlagBACK
Flag 9 grade maths> A cone, hemispheres and a cylinder stand ...
question mark

A cone, hemispheres and a cylinder stand s on the same base and have equal height.find the ratio of their:(a) volumes (b) curved surface area

vansh tiwari , 7 Years ago
Grade 7
anser 1 Answers
Vikas TU

Last Activity: 7 Years ago

Dear Student,
let base radius = r
       Let height = h
       Ratio of volumes = 1/3 πr^2h : 2/3 πr^3 : πr^2h
= h/3 : r : h
Ratio of curved surface areas = πrl : 2πr^2 : 2πrh
= √(h^2+r^2) : 2r : 2h 
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...

Other Related Questions on 9 grade maths

question mark
In the figure (not to scale) AB = CD, angle DAP = angle DPA and A,B,C,D are concycli. If angle ADC = 80°, then find angle ACD.
9 grade maths
1 Answer Available

Last Activity: 2 Year ago(s)

question mark
Solve : 2^(x+2)+2^(x-1)=9
9 grade maths
1 Answer Available

Last Activity: 2 Year ago(s)

question mark
Volume of a Cylinder
9 grade maths
1 Answer Available

Last Activity: 2 Year ago(s)

question mark
What length of tarpaulin 3m wide will be required to make conical tent of height 8m and base radius 6m ? Assume that the extra length of material that will be required for stitching and wastage in cutting is approximately 20cm ( Use pi= 3.14)
9 grade maths
1 Answer Available

Last Activity: 2 Year ago(s)

question mark
Find the square of: 2a +b
9 grade maths
1 Answer Available

Last Activity: 2 Year ago(s)