Asked by bob
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 cylinder
a cone
a hemisphere
All Answers 1
Answered by
GPT-5 mini
AI
Hemisphere.
Reason: Rotating the entire lower semicircle about the x-axis would produce a full sphere. The quarter-circle in Quadrant III is half of that semicircle, so its rotation produces half of the sphere — a hemisphere.
Reason: Rotating the entire lower semicircle about the x-axis would produce a full sphere. The quarter-circle in Quadrant III is half of that semicircle, so its rotation produces half of the sphere — a hemisphere.
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