FORMULA SHEET FOR GEOMETRY FINAL EXAM
Rectangle
A = lw
Square
A = s2
Parallelogram
A = bh
Circle
Triangle
1
A = bh
2
bh
or A =
2
Herons Formula
1
s = ( a + b + c)
2
A = r 2
C = 2r
C = d
A=
Rhombus
A=
Trapezoid
d 1 gd 2
2
or A =
A=
1
d 1 gd 2
2
1
h(b1 + b
FORMULAS
Rectangle
A = lw
Square
A = s2
Parallelogram
A = bh
Circle
Triangle
1
A = bh
2
bh
or A =
2
Herons Formula
1
s = ( a + b + c)
2
A = r 2
C = 2r
C = d
A=
Rhombus
A=
Trapezoid
d 1 gd 2
2
or A =
A=
1
d 1 gd 2
2
1
h(b1 + b 2)
2
or A =
Area of any
regul