Question

A unit disk centered at the origin is sliced so that the right portion has width h. Derive a formula A(h) for the area of this slice. Show verification that A(0) = 0 and A(2) = pi .

Answer 1

the portion will have same overall width and height?

Answer 2

is height just x-axis to circle, or the whole thing

Answer 3

ill have to come back later, but was thinking it is the addition and subtraction of areas till you total the right thing