The height of a right circular cylinder ...

The height of a right circular cylinder is 10.5cm. If three times the sum of the areas of its two circular faces is twice the area of the curved surface area. Find the radius of its base.

Text Solution

AI Generated Solution

Topper's Solved these Questions

MENSURATION-II (VOLUMES AND SURFACE AREAS OF A CUBOID AND A CUBE)
RD SHARMA ENGLISH|Exercise All Questions|134 Videos
PERCENTAGE
RD SHARMA ENGLISH|Exercise All Questions|56 Videos

Similar Questions

Explore conceptually related problems

The height of a right circular cylinder is 10.5 m. Three times the sum of the area of its two circular faces is twice the area of the curved surface. Find the volume of the cylinder.

The height of a right circular cylinder is 10. 5. Three times the sum of the areas of its two circular faces is twice the area of the curved surface. Find the volume of the cylinder.

The radii of two right circular cylinders are in the ratio 2: 3 and their heights are in the ratio 5:4 calculate the ratio pof their curved surface areas and also the ratio of their

The height of a circular cylinder is 20 cm and the radius of its base is 7 cm. Find : the total surface area.

The radii of two right circular cylinders are in the ratio 2:3 and their heights are in the ratio 5:4. Calculate the ratio of their curved surface areas.

The curved surface area of a cylinder is twice the sum of areas of its two end surfaces. Find the ratio of its heigth and radius.

The height of a right circular cone is 6 cm and area of its base is 18.5 cm^(2) . Find its volume.

The radii of two right circular cylinder are in the ratio 2:3 and their heights are in the ratio 5:4. Calculate the ratio of their curved surface areas and also the ratio of their volumes.

The height of a circular cyclinder is 20 cm and the diamete rof its bases is 4cm . Find : its volume (ii) its total surface area

RD SHARMA ENGLISH-MENSURATION-III (SURFACE AREA AND VOLUME OF A RIGHT CIRCULAR CYLINDER)-All Questions

The ratio between the curved surface area and the total surface are...
Text Solution
|
The curved surface area of a cylinder is 1320\ c m^2 and its base h...
Text Solution
|
The height of a right circular cylinder is 10.5cm. If three times t...
Text Solution
|
Find the cost of plastering the inner surface of a well at Rs. 9. 5...
Text Solution
|
A cylindrical vessel open at the top has diameter 20cm and height 1...
Text Solution
|
The inner diameter of a circular well is 3.5m. It is 10m deep. Find ...
Text Solution
|
The diameter of a roller is 84 cm and its length is 120 cm. It takes ...
Text Solution
|
Twenty cylindrical pillars of the Parliament House are to be cleane...
Text Solution
|
The total surface area of a hollow cylinder which is open from both...
Text Solution
|
The sum of the radius of the base and height of a solid cylinder is...
Text Solution
|
Find the ratio between the total surface area of a cylinder to its cur...
Text Solution
|
A cylindrical vessel, without lid, has to be tin-coated on its both...
Text Solution
|
Find the volume of a right circular cylinder, if the radius (r) of ...
Text Solution
|
The area of the base of a right circular cylinder is 154\ c m^2 and...
Text Solution
|
The circumference of the base of a cylinder is 132 cm and its heigh...
Text Solution
|
The radii of two right circular cylinder are in the ratio 2:3 and thei...
Text Solution
|
Two cylinder cans have bases of the same size. The diameter of each...
Text Solution
|
A rectangular sheet of paper, 44 c m\ x\ 20 c m , is rolled along i...
Text Solution
|
A rectangular paper of width 14 cm is rolled along its width and a c...
Text Solution
|
If the radius of the base of a right circular cylinder is halved, k...
Text Solution
|