Asquare with a x inside in one line with half circles around the square with no back traces or over line without lifting pen

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.

Determine the intercepts of the line that passes through the following points. (15,-3)(15,−3) (20,-5)(20,−5) (25,-7)(25,−7)

Given: prst square pmkd is a square pr = a, pd = a find the area of pmct.