The volume of a cone is 75π cm3 and the height is 9 cm. What is the radius of the cone? A. 15 cm B. 5 cm C. 25 cm D. 10 cm

75pie= 1/3(pie r2)(9)
75pie=3(pie r²) 
25pie=pie r²
√25 =√r² 
r=5