Question

A cylindrical tank has a capacity of 6160 cu.Cm find its depth if its radius is 14 cm calculate th

Answer 1

Answer:

depth is 10 cm

Step-by-step explanation:

volume of cylinder=pie× r^2×h

6160=22/7×14×14×h

6160=22×28×h...(14 is divided by7)

6160/22×28=h

560/2×28=h...(6160&22are divided by11)

280/28=h...(560÷2=280)

h=10cm

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Answer 2

Question :-

• A cylindrical tank has a capacity of 6160 m³. Find its depth, if the radius is 14 m. Also find the cost of painting its curved surface area at ₹ 30/m².

Step-by-step explanation:

Volume = 6160 m³

Radius = 14 m

Height/Depth = ?

Volume of cylinder = πr²h

6160 = 22/7 × 14 × 14 × h

6160 = 616h

h = 10

∴ Depth = 10 m

C.S.A of cylinder = 2πrh

• 2 × 22/7 × 14 × 10
• 88 × 10
• 880

∴ Curved surface area = 880 m²

Now,

1 m² = ₹ 30

880 m² = ?

880 m² = 880 × 30

880 m² = 26400

∴ Cost of painting = ₹ 26400