The volume of a 2 m long circular steel rod is 15092 cm3. Find its diameter.
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Answer:9.8 cm
Step-by-step explanation:
Height = 2m = 200cm
Volume = 15092 cm3
Volume = 22/7 × radius × radius × height
15092 cm3 = 22/7 × radius^2 × 200cm
Radius^2 = 15092cm3/ 200cm × 22/7
= 24.01 cm2
Radius = 4.9cm
Diameter = radius × 2
= 9.8cm
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