It’s B I hope this helps :)
length of pipe= 30m
Inside dia. = 1.2m
Outside dia. = 1.8m
Volume of concrete= (outside dia. - inside dia.)h
V= (pi)
v= [(3.14*0.9*0.9)-(3.14*0.6*0.6)]30
v= (3.3534-1.1304)30
v=(2.233)30 = 66.690m cube
since it's volume the answer 66.690 is in cubic meters.
Answer:
..
Step-by-step explanation:
a =
⇒ 670
b =
⇒ 301600
c =
⇒ 560
Answer:
I believe the answer is 20
Step-by-step explanation:
I am so sorry if I'm wrong, but I think 5 is b
