bonjour
aire ABCD = 5 ² = 25 cm²
aire AMPN = x²
aire MBCQ = 25 - x²
x² > - x² + 25
x² + x² > 25
2 x² > 25
x² > 12.5
x > √12.5
] √12.5 ; + ∞ [
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bonjour
aire ABCD = 5 ² = 25 cm²
aire AMPN = x²
aire MBCQ = 25 - x²
x² > - x² + 25
x² + x² > 25
2 x² > 25
x² > 12.5
x > √12.5
] √12.5 ; + ∞ [