Hi so the picture has the answer and explanation :).
Which solid, no matter at which angle you cut it, will always have a circle for a cross section?
2 answers:
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By definition, the area of a circle is given by:
Where,
r: radius of the circle.
Substituting the values in the given expression, we have:
Rounding to the nearest tenth we have:
Answer:
Approximately needed:
Where,
r: radius of the circle.
Substituting the values in the given expression, we have:
Rounding to the nearest tenth we have:
Answer:
Approximately needed: