# Solution to Problem 203 Stress-strain Diagram

แพทที ลิเบ

Why is that area having 0.25? Were did you get that value.. Please explain

Jhun Vert

The area of the circle of given diameter d is: $A = \frac{1}{4}\pi d^2$
Note that 1/4 = 0.25 in decimal form.

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