blushox550Lv1
13 Nov 2021
Problem 63a
Page 326
Section: Review Exercises
Chapter 4: Applications of Differentiation
Textbook ExpertVerified Tutor
13 Nov 2021
Given information
Note that given, a rectangular beam will be cut from a cylindrical log of radius inches.
Step-by-step explanation
Step 1.
Use concept:
Pythagoras theorem: In a triangle, the sum of the squares of the triangle legs' lengths equals the square of the triangle hypotenuse's length.
Let be the depth of the rectangle and be the width of the rectangle.
The value of depth and width are equal then the area is square.
Observe that from the given data the diagonal of the rectangle length .