Answer:
A
Step-by-step explanation:
Find the common factors between the 2:
2πr + 4πrh
2 (πr+2πrh)
2πr (1 + 2h)
Answer:
6.67 Miles Per Hour
Step-by-step explanation:
Answer: 5
Step-by-step explanation:


5
Given function is

At t= 79.5 degree.
So we can place t= 79.5 in given equation

=

=

=

So elevation equal to 625 meter at t = 79.5 degree.