Intermediate Algebra (11th edition)

Formulas

Figure Formulas Illustration

Square Perimeter:

Area:

Rectangle Perimeter:

Area:

Triangle Perimeter:

Area:

Parallelogram Perimeter:

Area:

Trapezoid Perimeter:

Area:

Circle Diameter:

Circumference:

Area: a=pr^2

C=pd

C= 2 pr

d= 2 r

a =

1

2

h 1 b+B 2

P=a+b+c+ B

a =bh

P= 2 a+ 2 b

a =

1

2

bh

P=a+b+c

a =LW

P= 2 L+ 2 W

a =s^2

P= 4 s

s

s

s

s

W

L

a h

c

b

r

d

Chord

b

a h a

b

b

a h c

B