Question

a copper pillar is 5m high and 28 cm in diameter.find its weight, if copper weighs 4g per cm³​

Answer 1

Answer:

r= d/2=28/2=14

volume of cylinder= π×r×r×h

=22/7×14×14×500

=308000cm3

1 cm3 = 4g

308000cm3 × 4=1232000g

=1232

I hope this will help you

Answer 2

1,232kg

Step-by-step explanation:

height of pillar = 5m =500 ᑕᗰ

ᗪIᗩᗰᗴTᗴᖇ =28

TᕼᗴᖇᗴᖴOᖇᗴ ᖇᗩᗪIᑌᔕ =14

ᖴOᖇᗰᑌᒪᗩ =ᑭIᗴ ᖇ ^2ᕼ

22/7*14*14*500

308,000

ᑭᗴᖇ ᑕᗰ 4ᘜ

TᕼᗴᖇᗴᖴOᖇᗴ 308,000*4

1,232,000ᘜ

1,232