Answer:
6 cm
Step-by-step explanation:
The volume of a cone = (1/3) πr²h
72π = (1/3) π r² 6
72 = (1/3) r² 6
Divide both sides by 6
12 = (1/3) r²
Multiply both sides by 3
36 = r²
So r (radius) = 6 cm
Answer:
3
Step-by-step explanation:
x:5 = 18:30
Convert to the least common denominator 6x:30 = 18
:30
Divide each side by 6 6x = 18
x = 3
X<6
download an app called photomath
