Beginning 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

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