Eduprobe
Question:
If the volume of a right circular cone of height 9cm is 48πcm³ , find the diameter of its base.
Solution:
Given: h=9cm
Let radius=r
⇒Volume=48π=1/3πr²h
⇒1/3πr²×9=48π
⇒r²=16, r=4
⇒Diameter=2×4=8cm
Given: h=9cm
Let radius=r
⇒Volume=48π=1/3πr²h
⇒1/3πr²×9=48π
⇒r²=16, r=4
⇒Diameter=2×4=8cm