Surface area and volume

The volume of a sphere is 1481 cm^3. Its diameter is

• 3.5cm

• 7cm

• 14cm

• 21cm

A solid formed on revolving a right angled triangle about uts height is

• Cylinder

• Sphere

• Right circular cone

• Two cones

A shuttlecock used for playing badminton has the shape of the combination of

• A cylinder and a hemisphere

• A cylinder and a sphere

• A sphere and a cone

• Frustum of a cone and a cone hemisphere

A cylindrical pencil sharpened at one edge is the combination of

• Two cylinders

• A cone and a cylinder

• None of these

Given a cylinder with a radius of 5 and height of 7, what is the surface area?

• 219.8 unit square

• 157 unit square

• 298.3 unit square

• 376.8 unit square

What is the total area of total surface are of a cube with edges of 8.3cm?

• 68.89cm

• 413.34cm^2

• 413.34cm

What is the total surface area of a triangular prism with the dimensions of 7cm*15cm*6cm?

• 357cm^2

• 49cm^2

• 630cm^2

• None of these

What is the formula for the surface area of a rectangle

• 3*lbh

• 2*lw+2*wh+2*lh

• Base*height

• None of the above

What is the surface area of a cylinder with radius 8 and height 12?

• 96

• 1005.31

• 2412.74

• 804.25

What is the formula for the volume of cylinders

• L*h

• 2llrh

• Bhl

• None of these