colombia50 colombia50
  • 03-07-2017
  • Mathematics
contestada

What is the surface area of a sphere with a radius of 7 feet?

Respuesta :

koziadam koziadam
  • 03-07-2017
Use thy formula for surface area of a sphere.

4(pi)r^2
4(pi)(7)^2
4(pi)(49)
196(pi)

615.75
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 04-07-2017
SA=4pir^2
r=7
SA=4pi7^2
SA=4pi49
SA=196pi square feet

if we used pi=3.14 then
SA=615.44 square feet
Answer Link

Otras preguntas

Electrons in a photoelectric-effect experiment emerge from a copper surface with a maximum kinetic energy of 1.10 eV. What is the wavelength of the light?
evaluate the dot product of (8,4) and (-3,5)
What is the value of x in this equation?-4x+8 = 42Use the bubbles in the answer section to mark your answer.​
Is it a job of the attorney general to advise the President on legal matters? ​
Why do you think compound machines are sometimes called complex machines
When the cat is called "wonderful," what does this mean?
Based on a poll of 200 citizens, a community action group claims that 40% of the population is in favor of a curfew for children under 18 on weekday nights. A l
what is 25 1/2 × 5 –3 = 5 x
A,B,C, or D on 8-10__________
Two-thirds of a number plus 5 is greater than 12. Find the number