Ozone umbrella.

Ozone is

Nylon cloth is used in umbrella. Why?

An umbrella has 8 ribs which are equally spaced (as shown in the figure).Assuming the umbrella to be a flat circle of radius 42 cm, find the area between the two consecutive ribs of the umbrella.

An umbrella has 8 ribs which are equally spaced. Assuming umbrella to be a flat circle of radius 45 cm. Find the area between the two consecutive ribs of the umbrella.

An umbrella has 8 ribs which are equally spaced (see the given figure). Assuming umbrella to be a flat circle of radius 45 cm, find the area between the two consecutive ribs of the umbrella.

An umbrella has 8 ribs which are equally spaced (see figure). Assuming umbrella to be a flat circle of radius 45 cm, find the area between the two consecutive ribs of the umbrella.

An umbrella has 8 ribs which are equally spaced. Assuming umbrella to be a flat circle of radius 45 cm, find the area between the two consecutive ribs of the umbrella.

An umbrella has 8 ribs which are equally spaced. Assuming umbrella to be a flat circle of radius 45 cm, find the area between the two consecutive ribs of the umbrella.

An umbrella has 8 ribs which are equally spaced.Assuming umbrella to be a flat circle of radius 45cm ,find the area between the two consecutive ribs of the umbrella.