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Geometry and Mensuration — Revision Notes

OJEE MBA · Quantitative Aptitude

Free Geometry and Mensuration revision notes for OJEE MBA Quantitative Aptitude 2026 — key concepts, formulas, and definitions for quick revision.

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Revision Notes — Geometry and Mensuration

Key concepts, formulas, and definitions from Geometry and Mensuration for OJEE MBA Quantitative Aptitude preparation.

Key Topics to Revise

1

Basic Angles and Properties

  • Acute angle: Less than 90°; Right angle: Exactly 90°; Obtuse angle: 90° to 180°
  • Complementary angles: Two angles that add up to 90°
  • Supplementary angles: Two angles that add up to 180°
2

Polygons and Their Properties

  • Sum of interior angles of n-sided polygon = (n-2) × 180°
  • Sum of exterior angles of any polygon = 360°
  • For regular polygons: Each interior angle = (n-2) × 180°/n
3

Triangles - Types and Properties

  • Sum of angles in any triangle = 180°
  • Triangle inequality: Sum of any two sides > third side
  • Exterior angle = sum of two non-adjacent interior angles
4

Quadrilaterals and Special Cases

  • Sum of all angles in quadrilateral = 360°
  • Parallelogram: opposite sides parallel and equal, diagonals bisect each other
  • Rectangle: parallelogram with all angles 90°, diagonals are equal

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Key Concepts

Seven main typesTriangles are classified by angles (acuteCongruent triangles have equal corresponding sidesEquilateral triangle (side a)Four

Frequently Asked Questions

What topics are covered in Geometry and Mensuration for OJEE MBA?
Geometry and Mensuration is an important chapter in OJEE MBA Quantitative Aptitude. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Basic Angles and Properties, Polygons and Their Properties, Triangles - Types and Properties, Quadrilaterals and Special Cases.
How important is Geometry and Mensuration for OJEE MBA?
Geometry and Mensuration is a frequently tested chapter in OJEE MBA Quantitative Aptitude. Questions from this chapter appear regularly in previous year papers. There are 69 practice questions available for this chapter.
How to prepare Geometry and Mensuration for OJEE MBA?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

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