Mathematics · Grades 11–12
Geometry · Formula sheet
Rules, conditions and small examples in one printable reference.
Remember this
Volume of a cone
Use the perpendicular height and radius, not the diameter.
V = πr²h/3
3.14 × 2² × 90 ÷ 3 = 376.8
Further reading and review references
These are reference links, not copied exercises, institutional endorsement or proof of independent review.
Learning preview · teacher review required. Grade bands are approximate, not official curriculum alignment.