Answer:
the secound ansewr
Step-by-step explanation:ik
Answer: It will be a hollow cylinder, the central core has a radius of 2 and It will have a surface area equal to 48pi
Step-by-step explanation:
Just did it on algebra nation
Answer:
I think it's positive
Step-by-step explanation:
BD is half the length of AD ( 18 is half of 36)
BE would be half of EC
EC = 42, so BE would be 42/2 = 21
a = 21