Math Problem Statement
el diametre d'una circumferencia fa 18 m. calcula la longitud de la circumferencia i l'area del seu cercle
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Circle Geometry
Formulas
Circumference formula: L = \pi \times d
Area of a circle formula: A = \pi \times \left(\frac{d}{2}\right)^2
Theorems
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Suitable Grade Level
Grades 7-9