Answer:
60+12
Step-by-step explanation:
5x12=60
Yes
for a square
P=4s
s=legnth o side
since all sides are equal
20=4s
divide 4
5=s
each sie is 5 units
1:360
Volume of a sphere formula: V=4/3*pi*r^3
Surface Area of a Sphere formula: SA=4*pi*r^2
SA=14,657,414
V=5,276,669,286
ratio= SA;1 : V;360