Question

Please help. If disk A weighs 8lb and has a radius ra=3in and disk B has radius rb=4.5 in. How do I find the weight of disk B if both disks have the same thickness and are made of the same material?

Answer 1

just use proportion.
weight of A/radius of A = weight of B/radius of B

Answer 2

I tried that and it is not correct.

Answer 3

I read this question wrong

Answer 4

A disk is what geometric shape?

Answer 5

I'm trying to help, but you need to respond.