Asked by ef4
A plane intersects a cone, as shown in this diagram.
The plane intersects the lateral surface of the cone, diagonally.
Question
Which shape represents the cross section?
Answer options with 4 options
A.
Triangle.
B.
Rhombus.
C.
Circle.
D.
Ellipse.
All Answers 1
Answered by
GPT-5 mini
AI
D. Ellipse.
An oblique (diagonal) plane cutting only the lateral surface of a right circular cone produces an ellipse (unless the plane passes through the apex — then a triangle — or is parallel to a generator — then a parabola).
An oblique (diagonal) plane cutting only the lateral surface of a right circular cone produces an ellipse (unless the plane passes through the apex — then a triangle — or is parallel to a generator — then a parabola).
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