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Define area of cross section

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Define area of cross section

Posted by Tejas V Kashyap 5 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Aryaman Ranjan 5 years, 11 months ago

Most wire is made with a circular cross section of some particular radius and diameter. The area of that cross section is the well known A = pi*R² which is colloquially pronounced as “pie are squared.” We will put aside the old joke that “Pie are not squared; pie are round” but we have to admit to ourselves that expressing area and having to work with the irrational number “pi” can get numerically awkward.

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CBSE > Class 10 > Science