A cone has a volume of 1256cm.The vertical height of the cone is 14cm.Find the radius of the cone (Take π 22/7)
A cone has a volume of 1256cm.The vertical height of the cone is 14cm.Find the radius of the cone (Take π 22/7)
Answer:
The answer is 9 cm to the nearest cm
Step-by-step explanation:
[tex]volume \: of \: a \: cone = \frac{1}{3} \pi {r}^{2} h[/tex]
1256=1/3×22/7×r²×14
1256=1/3×22×2×r²
3768=44r²
44r²/44=3768/44
r²=942/11
take square root of both sides
r=9 cm to the nearest cm
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