A corn cob (see Fig. 13.17), shaped somewhat like a cone, has the radius of its broadest end as 2.1 cm and length (height) as 20 cm. If each `1 cm^2`of the surface of the cob carries an average of four grains, find how many grains you would find on the entire cob?

A corn cob (see the given figure), shaped somewhat like a cone, has the radius of its broadest end as 2.1 cm and length (height) as 20 cm. If each 1 cm^(2) of the surface of the cob carries an average of four grains, find how many grains you would find on the entire cob.

A corn cob (see in figure), shaped somewhat like a cone, has the radius of its broadest end as 2.1 cm and length as 20cm. If each 1\ c m^2 of the surface of the cob carries an average of four grains, find how many grains you would find on the entire cob?

A corn cob (see in figure), shaped somewhat like a cone, has the radius of its broadest end as 2.1 cm and length as 20cm. If each 1\ c m^2 of the surface of the cob carries an average of four grains, find how many grains you would find on the entire cob?

A corn cob shaped like a cone, has the radius of its broadest end as 1.4 cm and length (height) as 12 cm. If each 1cm^(2) of the surface of the cob carries an average of four grains, find how many grains approximately you would find on the entire cob.

A corn cob shaped like a cone, has the radius of its broadest end as 1.4 cm and length (height) as 12 cm. If each 1cm^(2) of the surface of the cob carries an average of four grains, find how many grains approximately you would find on the entire cob.

A corn cob shaped like a cone, has the radius of its broadest end as 1.4 cm and length (height) as 12 cm. If each 1cm^(2) of the surface of the cob carries an average of four grains, find how many grains approximately you would find on the entire cob.

corn cob , shaped like a cone, has the radius of its broadest end as 1.4 cm and length (height) as 12 cm. If each 1cm^(2) of the surface of the cob carries an average of four grains, find how many grains approximately you would find on the entire cob.

A corn cob (see in figure),shaped somewhat like a cone,has the radius of its broadest end as 2.1cm and length as 20cm. If each 1cm^(2) of the surface of the cob carries an average of four grains,find how many grains you would find on the entire cob?

The diagram shows a cone.The radius of its base is 2.8cm and its slant height is 8cm. Find the area of its curved surface.

The total surface area of a cone is 704 cm^(2) and the radius of its base is 7 cm . Find its slant height .