Math Problem Statement
la figure montre trois demi -cercles dans un rectangle . celui du millieu est tangent aux deux autres qui sont eux mems tangent aux petits cotes du rectangle . le grand demi cerle esy tangent a un des grands cotes du rectangle qui mesure 36 cm les plus courtes distance de ce grand cote du rectangle a chacun des deux petits demis cercles sont 5 cm et 7 cm quel est en cm le perimetre du rectangle ? justifier la reponse
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Circle Tangency
Perimeter Calculation
Formulas
Périmètre du rectangle: P = 2 × (L + l)
Diamètre du cercle: D = 2 × rayon
Relations de tangence des cercles: 2R = 5 + 2r1 et 2R = 7 + 2r2
Theorems
Tangency between circles
Geometric properties of circles and rectangles
Suitable Grade Level
Grades 9-12
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