Diameter 5668

The span of the arc is 247 cm, and the height of the arc is 21.5 cm. What is the diameter of the circle?

Correct answer:

D =  730.907 cm

Step-by-step explanation:

a=247 cm h=21.5 cm r2=(a/2)2+(rh)2 r2=a2/4+r22rh+h2 r=(a2/4+h2)/(2 h)=(2472/4+21.52)/(2 21.5)=8631429365.4535 cm D=2 r=2 365.4535=730.907 cm

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