Tuesday, 2 June 2026

Bank Exam Practice Material Series Page 18 | Advanced Geometry Basics Tricks and Shape Calculation Methods

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Ultimate Bank Exam Practice Material Series 2026

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Geometry Basics

Shapes & Angles

Heavy Standard Questions

Speed Tricks

Page 18 – Advanced Geometry Basics Tricks and Shape Calculation Methods

Master advanced geometry basics, angle properties, polygon concepts, and shortcut solving techniques for competitive examinations.

Why Geometry is Important

Important topic in Bank and SSC exams
Improves visual and logical reasoning
Useful in DI and mensuration concepts
Strengthens mathematical problem-solving
Enhances analytical calculation skills

Core Concepts Covered

Triangle Properties
Circle Basics
Polygon Angles
Parallel Line Concepts
Area & Perimeter Basics

Important Geometry Formulas

Triangle Angle Sum

Pythagorean Theorem

Polygon Interior Angle Sum

Advanced Geometry Tricks

Trick 1 – Triangle Angle Logic

Two angles of triangle are 50° and 60°

Third angle:

180° − (50° + 60°)

Answer = 70°

Trick 2 – Pythagoras Shortcut

Sides = 6 and 8

Hypotenuse:

√(6² + 8²)

√(36 + 64)

√100

Answer = 10

Trick 3 – Polygon Angles

Find sum of interior angles of pentagon.

(n − 2) × 180

(5 − 2) × 180

Answer = 540°

Heavy Standard Practice Questions

Question 1

Find third angle of triangle if other two are 45° and 75°.

Answer = 60°

Question 2

Find hypotenuse if perpendicular = 5 and base = 12.

Answer = 13

Question 3

Find interior angle sum of hexagon.

Answer = 720°

Question 4

Find circumference of circle with radius 7 cm. (Use π = 22/7)

Answer = 44 cm

Fast Revision Table

Concept	Shortcut Idea
Triangle Angles	Total always 180°
Pythagoras	Use square addition quickly
Polygon Angles	Apply (n−2)×180
Circle Concepts	Use standard π formulas