Section 6.2.
Read the entire section. Answer the
following questions. Send an e-mail with subject line **MA251**
to selliott@utm.edu .

1) Fill in the blanks: In Example 4, a cross section of the solid has the shape of a _______ with inner radius _____ and outer radius _____ .

washer, x^2,
x

Garret Wright

2) Fill in the blanks: The solids in Examples 1-5 are called _______ ___ _______ because they are obtained by revolving a region about a line.

Solids of Revolution

Matthew Thomas

3) True or False: The cross sectional area of a washer
with inner radius r and outer radius R is given by A = pi(R -
r)^2.

false

Deonte Johnson