Area of Plane Shapes

Isosceles Triangle
b =		h =
A =		m^2
Rectangle
w=		h=
Area =		m^2
Square
a =
Area =
Parallelogram
b =		h =
Area =
Trapezoid
a =		b =		h=
Area =
Circle
r =
Area =
Ellipse
a =
b =
Area =