luisvillasenor1 luisvillasenor1
  • 06-03-2017
  • Mathematics
contestada

If the surface area of a sphere is 100π cm^2, what is the radius?
a. 10 cm
b. 5 cm
c. 25 cm
d. 3 cm

Respuesta :

H1a2r3s4h5 H1a2r3s4h5
  • 06-03-2017
Surface area of sphere=100pi cm^2
4pi×r^2=100 pi
pi cancel on both sides
4×r^2=100
r^2=100/4
r^2=25
so r=5
So option b 5 cm is correct.
Answer Link

Otras preguntas

Some animals look things from very far distance and others not see from far distance why?
I need to find PS. I know the answer i just need someone to explain it to me.
HELP PLEASE IF YOU HELP YOU'LL GET 20 POINTS
WE has a midpoint at K. The coordinates of W are (4,3) and the coordinates of E are (-4,-1). Find the coordinates of K.
How do you make a profit in a bond?
What is a PowerPoint template?​
which one should i click on??
A ________ variation is a linear equation in which the ratio of the value of the variables remains constant. A. Variable B. Constant C. Direct D. Numerical
PLeASE HELP How did the Goryeo dynasty effectively unify Korea from the Later Three Kingdoms?
Mis hermanos son alemanas alemanes alemán