Salut,
Tan angle IOP = 46,5/100
donc : angle IOP = ArcTan 46,5/100 = 24,938....°
Tan angle SOP = SP/OP
donc : Tan (18 + (ArcTan 46,5/100)) = SP/100
donc : SP = (Tan (18 + (ArcTan 46,5/100))) × 100
donc : SI = SP - IP
= (Tan (18 + (ArcTan 46,5/100))) × 100 - 46,5
= 46,550796....
≅ 46,55 m
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Salut,
Tan angle IOP = 46,5/100
donc : angle IOP = ArcTan 46,5/100 = 24,938....°
Tan angle SOP = SP/OP
donc : Tan (18 + (ArcTan 46,5/100)) = SP/100
donc : SP = (Tan (18 + (ArcTan 46,5/100))) × 100
donc : SI = SP - IP
= (Tan (18 + (ArcTan 46,5/100))) × 100 - 46,5
= 46,550796....
≅ 46,55 m