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Question : The volume of a cone is 27720 cm3. If the height of the cone is 20 cm, then what will be the area of the base?

Option 1: 4158 cm2

Option 2: 4272 cm2

Option 3: 4626 cm2

Option 4: 4836 cm2


Team Careers360 8th Jan, 2024
Answer (1)
Team Careers360 17th Jan, 2024

Correct Answer: 4158 cm 2


Solution : Given,
The volume of a cone is 27720 cm 3
The height of the cone is 20 cm
We know,
Volume of a cone = $\frac{1}{3}$ × area of base × height
⇒ 27720 = $\frac{1}{3}$ × area of base × 20
⇒ area of base = $\frac{27720 × 3}{20}$
⇒ area of base = 4158 cm 2
Hence, the correct answer is 4158 cm 2 .

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