Structure question 4 docx

Area, Circumference, and Volume Formulas

Here are the basic formulas for finding area, circumference, and volume. They will be discussed in detail in the

following sections.

Triangles

The sum of the measures of the three angles in a triangle always equals 180 degrees.

a

b

c

a + b + c = 180°

Circle Rectangle Triangle

r

l

w

h

b

A = lw A = 1_

2bh

C = 2πr

A = πr2

Cylinder Rectangular

Solid

h

l

V = πr2h

w

r

h

V = lwh

C = Circumference

A = Area

r = Radius

l = Length

w = Width

h = Height

v = Volume

b = Base

–THEA MATH REVIEW–

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