The original size of the button is 1.2 cm as per linear equation.
"A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation. When this equation is graphed, it always results in a straight line."
Given, when you look at a button under a magnifying glass the image of the button is 5 times larger than the button's actual size.
The button has an image with diameter of 6 cm.
Therefore, the original size of the diameter of the button is:
[tex]= \frac{6}{5}[/tex] cm
= 1.2 cm.
Learn more about the linear equation here: https://brainly.com/question/10476345
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