Chapter 4.2, Problem 17E

### Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Chapter
Section

### Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

# For compactness, the drop-down wheels of a stretcher (or gurney) are folded under it as shown. In order for the board’s upper surface to be parallel to the ground when the wheels are dropped, what relationship must exist between A B ¯ and C D ¯ ?

To determine

To find:

The relationship between AB¯ and CD¯, for the board’ upper surface to be parallel to the ground when the wheels are dropped.

Explanation

Given,

AB and CD are the drop down wheels of a stretcher.

For the upper surface to be parallel to the ground its height above the ground should be

Same of all points above the ground.

Thus,

ABÂ¯â‰…CDÂ¯

Also, the drop down wheels should be parallel of each other

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