Q: What is the surface area of a right cone with a slant height of 6 and a radius of 9?

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A cone with a slant height of 22cm and radius of 7cm has a total surface area of about 637.74cm2

16 pie units squared

What do you mean by the radius of 4? Radius is used in circles. Do you mean that the breadth is 4? If so you can use Pythagoras's Theorem to find the 'slant height' (provided that it is a right-angle triangle) (slant height)2=52+42

It depends on whether the base radius is 8 units or base diameter. It also depends on whether the height is the vertical or the slant height.

The surface area of a cone: SA = pi*r² + pi*r*s (r is radius, s is slant height) The surface area of a pyramid: SA = [1/2 * Perimeter * Slant Height] + [Base Area]

Related questions

A right cone with a radius of 4 and a slant height of 13 has a total surface area of about 213.63 units2

The surface area of a right cone with a radius of 8 and a slant height of 15 is: 377 units squared.

A right cone with a slant height of 6 and a radius of 7 has a total surface area of about 245.04 square units.

Surface Area = Pi*radius(radius + slant height)

The lateral surface area of a right circular cone with a radius of 12cm and a slant height of 20cm is approximately 754cm2

The surface area is a function of the height (or slant height) and the radius of the base. So, the slant height is a function of the surface area and the base-radius. Since the latter is unknown, the slant height cannot be calculated.

75.4 units2

Uisng the lateral area and tha radius, you should be able to find the height of the cone. Using the height and radius as the legs of a right triangle, use the Pythagorean Theorem. The hypotenuse is the slant height.

A right circular cone with 8 height and 6 radius has a slant height of 10.

417.83 units squared

A cone with a slant height of 22cm and radius of 7cm has a total surface area of about 637.74cm2

Slant height is 7.81 inches.