a bucket is in the form of frustum of a cone whose raddi of bottom and top are 7cm and 28cm respectively. If the capacity of the bucket is 21560 cubic cm, find the whole surface area of the bucket.
Here is the link for the answer to your query:
https://www.meritnation.com/ask-answer/question/bucket-is-in-the-form-of-a-frustum-of-a-cone-whose-radi/surface-areas-and-volumes/1856246
https://www.meritnation.com/ask-answer/question/bucket-is-in-the-form-of-a-frustum-of-a-cone-whose-radi/surface-areas-and-volumes/1856246