jatavispillow
20.07.2019 •
Mathematics
Diameter of wheels is 20mm how far do the skates travel each turn
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Ответ:
each turn is about 63mm
Ответ:
perimeter = 71.4 m
Step-by-step explanation:
using the Pythagorean theorem:
CD² = 15.3² + (24 - 13.6)² = 234.09 + 108.16 = 342.25
CD = √342.25 = 18.5
perimeter = 24 + 15.3 + 13.6 + 18.5 = 71.4 m