My teacher explained this concept horribly, and I know understand it thanks to this video. Thank you.
epicfailure
thankyou sir this was helpful and the choice of colours made it even easier to understand
krookedboyz
If y varies from 0 to h you have the cone upside down, in your similar triangle you have (h-y) labelled as y.
jamesdickens
This is exactly the info I was looking for but I'm too dumb to understand it. I need to learn all these terms - it would be nice to find an online course.
AndyMuellerezb
sir how can we integrate area of hole formed by black hole
