A circular pool of water is shrinking as it drains. The diagram shows the shrinkage. A formula for the area, A, of the circular pool is given by the equation A= T (r – 3)2.2Which is aformula for r?3Ar =VĀ+ 3Вr =A+ 3r =A3r =

We can find the formula for r as below.

Answered: A circular pool of water is shrinking…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section2.7: More On Inequalities

Problem 45E

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A circular pool of water is shrinking as it drains. The diagram shows the shrinkage. A formula for the area, A, of the circular pool is given by the equation A = 7 (r – 3)². Which is formula for ? A 3 VĀ + 3 A Or = +3 A r%3D