Answer:
Step-by-step explanation:
surface area of sphere=a
4pir^2=a
r^2=a/4p
r=root(a/4pi)
if radius is doubled
r1=2root(a/4pi)
r1^2=4(a/4pi)
a/a1=(4pia/4pi)/(4pi 4a/4pi)=1/4
so a is increased by 4 times
Answer:
B is correct :D brainliest pls
Answer:
3
Step-by-step explanation:
P+r-2
=3+2-2
=5-2
=3 is the answer.........................
1. X = 83
2. X = 101
3. X = 24
