Circular arc

Calculate the length of the circular arc if the diameter d = 20cm and the angle alpha = 142 °

Correct answer:

x =  24.7837 cm

Step-by-step explanation:

d=20 m A=142  o=π d=3.1416 2062.8319 cm  x=A360 o=142360 62.8319=24.7837 cm



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