Page 244 - Calculus Workbook For Dummies

228 Part IV: Integration and Infinite Series

13. Find the distance from (2, 1) to (5, 10) with 14. What’s the surface area generated by
the arc length formula. 3
revolving f x = x from x = 0 to x = 4
^ h
4
Solve It about the x-axis?
Solve It

15. a. Confirm your answer to problem 13 16. What’s the surface area generated by
with the distance formula. revolving f x = x from x = 0 to x = 9
^ h
about the x-axis?
b. Confirm your answer to problem 14
with the formula for the lateral area of Solve It
a cone, LA π= r,, where , is the slant
height of the cone.
Solve It