Similarity of Circles HSG.C.A.1 Grade 11 SBAC Practice Test Questions TOC | Lumos Learning

Similarity of Circles HSG.C.A.1 Question & Answer Key Resources Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 11 Mathematics

Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 11 Mathematics Similarity of Circles

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Let the radius of the first circle be \(r_1 = 15 cm\) and the radius of the second circle be \(r_2 = 3 cm\). Let \(A_1 \ and \ A_2\) be their respective areas. Find the ratio \(\frac{A_1}{A_2}\) of the areas of the circles.