Answer:
??????
Step-by-step explanation:
Barrel is assumed to be a cylinder
surface area of a cylinder=2 caps+lateral area
so
SA=2pir^2+2hpir
h=8
r=8
SA=2pi8^2+2(8)pi8
SA=2pi64+128pi
SA=128pi+128pi
SA=256pi square feet or aprox
SA=804.248 square feet is the surface area of 1barrel
Answer:
4,39299
Step-by-step explanation:
I multiplied 3 x all the numbers in 6,973, then 6 x all the numbers (I added a 0 before I multiplied, then added both the products and got my answer.
x^2+x=132
x=11
im sorry I cant explain how I got the answer aside from saying 10*10=100 100+10 is 110 so I was like lets try 11