Question

4. A wooden log of diameter 84 cm has a length of 3.6 m. What is the volume of
the log? *
O A. 302.4 m^3
O B. 1.996 m^3
O C. 46.656 m^3​

Answer 1

Answer:

B is correct answer

Explanation:

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Answer 2

༗ Given :

• Diameter of wooden log = 84 cm.
• Length of the log = 3.6 m.

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༗ To find :

• Volume of the log.

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༗ Formula to remember :

• Volume of cylinder = πr²h

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༗ Solution :

• Diameter of log = 84 cm

converting cm into m :

• Diameter of log in m = 0.84 m

• Radius of log = 0.84/2

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• Height of log = 3.6m.

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Now, substituting the values in formula :

➨ Volume = πr²h

➨ Volume = 22/7 × (0.42)² × 3.6

➨ Volume = 22/7 × 0.1764 × 3.6

➨ Volume = 22/7 × 0.635

➨ Volume = 1.99 m³

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Therefore, volume of wooden log = 1.996m³

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༗ So, opt (b) is correct. ✓