raeesahh475 raeesahh475

03-07-2020
Mathematics

contestada

work out the surface area of the Sphere leave your answer in terms of Pi
a) radius is 5cm
b)radius is 3cm
10 points given for a right answer. thanks!

Respuesta :

shezbugs981 shezbugs981

03-07-2020

A)4πr^2

4π(5)^2

4π(25)

A≈314.2π

B)4πr^2

4π x (3)^2

4π x(9)

A≈113.112π

hope it helps

Answer Link

Otras preguntas

When a sample of a gas is heated in a sealed, rigid container from 200. K to 400. K, the pressure exerted by the gas is (1) decreased by a factor of 2. (2) incr

Given the balanced equation representing a reaction: 4Al(s) + 3O2(g) ==> Al2O3(s) As the aluminum loses 12 moles of electrons, the oxygen (1) gains 4 moles o

Given the balanced equation representing a reaction: 4Al(s) + 3O2(g) ==> Al2O3(s) As the aluminum loses 12 moles of electrons, the oxygen (1) gains 4 moles o

Who is the “Father of Our Country”?

What movement tried to end racial discrimination?

Who is the “Father of Our Country”?

Name one state that borders Mexico.

Who is in charge of the executive branch?

Who vetoes bills? Please help

Which energy conversion must occur in an operating electrolytic cell? (1) electrical energy to chemical energy (2) electrical energy to nuclear energy (3) chemi