Spherical cap

The spherical cap has a base radius of 8 cm and a height of 5 cm. Calculate the radius of a sphere of which this spherical cap is cut.

Correct answer:

r =  8.9 cm

Step-by-step explanation:

a=8 cm h=5 cm  r2=a2+(rh)2 r2=a2+r22rh+h2 2rh=a2+h2  r=2 ha2+h2=2 582+52=1089 cm=8.9 cm



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