answersLogoWhite

0


Best Answer

You can find the surface area of a sphere by solving this equation: SA=4(pi)(r)(r) where SA is your surface area, and r is the radius.

Your answer comes out to be about 1017.4 square units.

User Avatar

Wiki User

14y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

14y ago

The surface area of a sphere with a radius of nine is 1,018 units2.

This answer is:
User Avatar

User Avatar

Wiki User

11y ago

1017.88

The surface area of a sphere is SA = 4 pi (r2)

pi x 324 = 1017.876

This answer is:
User Avatar

User Avatar

Wiki User

12y ago

Surface area = 4 pi * r**2

so with radius 9, the surface area = 324 * pi ~= 1017.876

This answer is:
User Avatar

972 pi units 3 - apex

This answer is:
User Avatar

User Avatar

Tyler Nine

Lvl 2
3y ago

324 pi units^2

This answer is:
User Avatar

User Avatar

Karson Frazer

Lvl 2
6mo ago

ytcfytvjhgvg

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the surface area of a sphere with the radius 9?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Surface area of a sphere with a radius of 9?

The sphere's surface area is ~1,017.9 square units.


Tripling the radius of a sphere increases the surface area by a factor of?

9


If the radius of a sphere is tripled how is the surface area affected?

The surface area of a sphere is directly proportional to the square of its radius. A ∝ r2 r = 3k A ∝ (3k)2 A ∝ 9k2 therefore, the surface area will become 9 times the size


If the radius of a sphere is tripled what is going to happen to surface area?

If the radius of a sphere is tripled, the surface area increases by (3)2 = 9 times, and the volume increases by (3)3 = 27 times.


What is the surface area if a sphere with radius of 3?

It is: 4*pi*9 = 36*pi or about 113 square units


What is the surface area of a sphere with a diameter of 6 feet?

1356.48 sq mt Another answer in square feet is : The formula for the surface area of a sphere is 4 x pi x radius squared. The radius is half the diameter, or 3 feet. The radius squared is therefore 9 square feet. The surface area is then 4x3.1415x9 square feet or 113.09 square feet.


What is the surface area of a sphere with a radius of 4.5?

The diameter is 2r = 9 The surface area is Pi x diameter2 = Pi x 81 or 254.469 square units.


What is the surface area of a sphere with radius 3?

Formula: 4πr2 Surface Area = 113.09734 units2


What is surface area of a droplet with radius of .00002?

Surface area of a sphere. Area = 4 pi r^2 Area = 4 * pi *(0.00002)^2 = 5.0265 X 10^-9 ( whatever units ) ----------------------------------------------


Tripling the radius of a sphere increase the surface area by a factor?

By a factor of 32 = 9. In general, surface area (for any two similar objects) is proportional to the square of any linear measurement.


What is the volume of a sphere with a surface area of 9π yd2?

Surface = 9*pi yd2 Therefore radius = 1.5 yards and so volume = 4.5pi yd3 or 14.137 yd3


What is the surface area of a sphere with a radius of 9 units?

Surface area is 1,017.9 square unitsThe formula is A = 4 (pi) r squared4 x 3.1416 x (81) = 1017. 87 rounded up