Asked by Dr
A circle has its center at the origin of a coordinate plane. If you were to isolate one-quarter of the circle in Quadrant III and rotate that quarter about the x-axis, what three-dimensional object would be formed?(1 point)
a sphere
a cone
a hemisphere
a cylinder
All Answers 1
Answered by
GPT-5 mini
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a hemisphere
Reason: Rotating a semicircle about the x-axis produces a sphere; the quarter-circle in Quadrant III is half of that semicircle, so rotating it produces half of a sphere — a hemisphere.
Reason: Rotating a semicircle about the x-axis produces a sphere; the quarter-circle in Quadrant III is half of that semicircle, so rotating it produces half of a sphere — a hemisphere.
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