Lacieehehannie Lacieehehannie

18-03-2017
Mathematics

contestada

Find the radius of a cone with volume 199.23 cm^3 and height 9 cm.

2.3 cm

4.9 cm

4.6 cm

9.2 cm

Respuesta :

wolf1728 wolf1728

18-03-2017

Cone Volume = (π • r² • h) ÷ 3
radius^2 = 3*cone volume / (PI*height)
radius^2 = 3*199.23 / (3.14159*9)
radius^2 = 21.1389773968
radius = 4.59771

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