Q2 of 62 Page 22

The curved surface area of a cylindrical road is 132 cm2. Find its length if the radius is 0.35 cm.

Given,


Curved surface area of cylindrical road =132 cm2


Radius of road = 0.35 cm


Let length of road = h cm


So,


=


=


=


Length of road = 60 cm


More from this chapter

All 62 →
1

Find the curved surface area dna total surface area of a cylinder, the diameter of whose base is 7 cm and height is 60 cm.

 3

The area of the base of a right circular cylinder is 616 cm2 and its height is 2.5 cm. Find the curved surface area of the cylinder.

 4

The circumference of the base of a cylinder is 88 cm and its height is 15 cm. Find its curved surface area and total surface area.

 5

A rectangular strip 25 cm× 7 cm is rotated about the longer side. Find the total surface area of the solid thus generated.