C=2pir
20pi=2pir
20pi/2pi=2pir/2pi
R=10
Height=10/2=5
Two circles surface areas is
2*pir^2
2pi10^2
2*100pi
200pi
The cylindrical part is
2pirh
2pi*10*5
100pi
Add 100pi+200pi=300pi
Assuming the coin is not weighted and is a fair and standard coin - the chance of flipping head is 1/2. You can either flip head or tails, there are no other possible outcomes.
Answer:
D: c^2 + (x+5)^2 = 841
Step-by-step explanation:
edge :)
The correct answer is 31. I did it incorrectly the first time, but the answer is 31. :-) Thanks Olivia!