QUESTION IMAGE
Question
- convertir 319\ en mm (arrondir au mm près) :
- nb pouces = 31 x 12 + 9\ = 372\ + 9\ = 381\
- nb de mm = 381\ x 25,4 = 9 677,4 mm -> 9 677 mm
- convertir 22 636 mm en pieds - pouces (arrondir au pouces près) :
- nb pouces =
- nb pieds =
- nb pouces =
réponse :
Step1: Convert mm to inches
$\text{nb pouces} = \frac{22636}{25.4} = 891.1811...''$
Step2: Find total feet
$\text{nb pieds} = \lfloor\frac{891.1811}{12}
floor = 74$
Step3: Find remaining inches
$\text{nb pouces restants} = 891.1811 - (74 \times 12) = 891.1811 - 888 = 3.1811'' \approx 3''$
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Réponse : $74'3''$