خانه ❯ همه تعاریف ❯ حساب ❯ هندسه ❯ واشر تعریف
واشر تعریف
A washer or annulus is the region between two concentric circles which have different radii. The area of a washer = π (R2 − r2)
تعاریف مرتبط
منابع
“Annulus.” Mathwords, www.mathwords.com/a/annulus.htm.
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