lostdove
the diameter of the moon is 3480km.
(a) whats the surface area of the moon?
(b)how many times larger is the surface area of the earth?



This Question is Closed

Annand
Best Response
You've already chosen the best response.
1
surface area of a sphere is
\[4\pi*r^2\]
r=radius...

Annand
Best Response
You've already chosen the best response.
1
assuming spherical shape to moon, its radius is 3480/2 km...
substitute to find the area

lostdove
Best Response
You've already chosen the best response.
0
can u show me the work like how u got that

Annand
Best Response
You've already chosen the best response.
1
got what?

Annand
Best Response
You've already chosen the best response.
1
area?

lostdove
Best Response
You've already chosen the best response.
0
yeah

Annand
Best Response
You've already chosen the best response.
1
value of pi is approximately 3.14... just substitute
surface area=4*(3.14)*(1740)^2 sq.km