Science, asked by MiraculousBabe, 20 days ago

In a building there are 25 cm cylinder kal pillar the radius of each pillar is 50 cm and height 5 find the cost of painting curved surface area pillars at the rate of $ 70 for square metre

Answers

Answered by tejasvinisinhaps23

We have,

r= radius of cylindrical pillar =28 cm=

100

h= height of cylindrical pillar =4 m

∴ curved surface area of a cylindrical pillar = 2πrh=2×

100

×4cm

∴ Curved surface area of 25 pillar = 2×

100

×4×25m

=176m

Hence, total cost of painting at the rate of Rs 8 per m

=Rs(176×8)=Rs 1408

I hope it will help you

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Answered by aryansinghkondal1710

Answer:

Answer

We have,

r= radius of cylindrical pillar =28 cm=

100

h= height of cylindrical pillar =4 m

∴ curved surface area of a cylindrical pillar = 2πrh=2×

100

×4cm

∴ Curved surface area of 25 pillar = 2×

100

×4×25m

=176m

Hence, total cost of painting at the rate of Rs 8 per m

=Rs(176×8)=Rs 1408

Ihopethiswillhelpu

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In a building there are 25 cm cylinder kal pillar the radius of each pillar is 50 cm and height 5 find the cost of painting curved surface area pillars at the rate of $ 70 for square metre​

Answers

In a building there are 25 cm cylinder kal pillar the radius of each pillar is 50 cm and height 5 find the cost of painting curved surface area pillars at the rate of $ 70 for square metre