15 is the answer it is correct can
Answer:
2:1.
Step-by-step explanation:
The area of a red curved surface = 2πr^2.
The area of the yellow flat surface = πr^2.
This is the case for all the hemispheres.
Therefore the required ratio = 2πr^2 : πr^2
= 2:1.
D = rt
d/r = t divide both sides by r
t = d/r <<< the equation
hope this helped, God bless!
The greatest common factor is 4.
Answer:
8.15
Step-by-step explanation: