The volume of a cylinder is calculated by the equation \(\pi {r}^{2}{h}\). This equation involves multiplying three lengths together Multiplying or dividing quantities with units often occurs in ...

Mascara might seem like a straightforward beauty staple, but not all formulas are created equal. From volumising to curling and tubing technology, the world of mascara has more variety than meets the ...

Kara Jillian Brown is the beauty editor of InStyle. She began her career at Well+Good, where she spent five years evolving from editorial intern to news writer to beauty writer. She earned a ...

A prism has a constant cross-section throughout its length. When the cross-section is a triangle, the prism is called a triangular prism. When the cross-section is a hexagon, the prism is called a ...