60 - 61 Maxima and minima problems of a folded page

Figure 41Problem 60
One corner of a leaf of width a is folded over so as just to reach the opposite side of the page. Find the width of the part folded over when the length of the crease is a minimum. See Figure 41.
 

Solution:

 

Problem 61
Solve Problem 60 above if the area folded over is to be a minimum.

Solution:

Subscribe to MATHalino.com on