Consider rhombus ABCD with side length 6: This is rolled to form a cylinder of volume 27/2 by taping AD to BC: What is sin(
$\sin (\angle BAD) = \frac{2 \pi}{3}$.
Sorry, but this is wrong
https://web2.0calc.com/questions/consider-rhombus-abcd-with-side-length-6
sin(BAD) = 0.785398163
rhombus height = 4.71238898
