bonjour,
BC² = 400² + 300 ² = 250 000
BC = √250 000 = 500
BC = 500 m
300 + 500 + 1 250 + 750 = 2 800 m = 2.8 km
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bonjour,
BC² = 400² + 300 ² = 250 000
BC = √250 000 = 500
BC = 500 m
300 + 500 + 1 250 + 750 = 2 800 m = 2.8 km