A Semicircular-Sided Tank Is Welded in the Shop

question 2

Short Answer

A semicircular-sided tank is welded in the shop. The length of the tank's bottom, shown in the figure, is 25", and the radius is 6". How long is the piece of metal used to form the sides of the tank, in inches? Round the answer to the nearest 1/16".

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Definitions:

Independent Variable

The variable in an experimental setting that is manipulated or changed to observe its effect on the dependent variable.

Dependent Variable

In research, the variable that is being tested and measured to see if it is affected by changes in another variable (the independent variable).

Confederates

Individuals who are part of an experiment but pretend to be participants, often used to manipulate social interactions within the experiment.

Sociogram

A visual representation or diagram that maps the relationships and social interactions within a group.