The answer is the second one
Answer:
the answer is a and d ! hope it help
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
21/3
3 will council it self one and 21 7times
Answer: h=6
Step-by-step explanation:
Answer:

see the explanation
Step-by-step explanation:
we know that
The area of the base of a cylinder is given by the formula

where
r is the radius of the circular base
If the radius is doubled
then

The new base area is


so

therefore
The new area of the base is 4 times the area of the original base