Respuesta :

Given:

The radius of the base of the given cone = 5 cm

The slant height of the cone = 19 cm

To find the surface area of the given cone.

Formula

The surface area pf the given cone is,

where, r be the radius and

l be the slant height.

Now,

Taking, r = 5, l = 19 and π = 3.14 we get,

sq cm

or,  sq cm

or,  sq cm

Rounding off to the nearest square centimeter, we get;

Hence,

The surface area of the cone is 377 sq cm.

The surface area of the cone is 346 square centimeters

How to determine the cone surface area?

The given parameters are:

Radius, r = 5 cm

Slant height, l = 17 cm

The surface area is calculated using:

A = πr(r +l)

Substitute known values

A = 3.14 * 5 * (5 +17)

Evaluate

A = 345.5

Approximate

A = 346

Hence, the surface area of the cone is 346 square centimeters

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