Area and Volume
Area of a Reactangle
A = ab
Circle
A circle with radius \(r\) has diameter \(d = 2r\)
The circumference
\(C=2\pi r\)
Area:
\(A = \pi r^2\)
Sphere
A sphere with radius \(r\)
The area:
$\(
A = 4\pi r^2
\)$
The volume:
$\(
V = \frac{4}{3}\pi r^3
\)$
Cylinder
The volume of a cylinder with radius r and height h.
\(V = \pi r h\)