Allied & ICAR Exam Bank • ALLIED_1641 MCQ • 1 Mark

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

When the lateral surface of a right circular cone of base radius r and slant height L is developed flat, what shape does it form?

Options:

  • (A) A circular sector of radius L
  • (B) A full circle of radius L
  • (C) A rectangle of length 2*pi*r and height L
  • (D) A parabola

Answer Key:

A

Step-by-Step Solution & Explanation

The development of a cone is a sector of a circle whose radius equals the slant height L and whose arc length equals the circumference 2*pi*r of the base.
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