Exam

English and Logical Reasoning Prep Guide

Subject

Logical Reasoning

Chapter

Counting of Figures

English and Logical Reasoning Prep Guide · Logical Reasoning · Counting of Figures

How many triangles are there in the above figure?

How many triangles are there in the above figure?

Step-by-step solution

The triangles are : $\triangle \mathrm{ABG}, \quad \triangle \mathrm{ABH}, \quad \triangle \mathrm{AGH}, \quad \triangle \mathrm{BCD}$, $\triangle \mathrm{BCI}, \quad \triangle \mathrm{CDI}, \quad \triangle \mathrm{EFG}, \quad \triangle \mathrm{FGK}$, $\triangle \mathrm{EFK}, \quad \triangle \mathrm{HIK}, \quad \triangle \mathrm{HIJ}, \quad \triangle \mathrm{BHI}$, $\Delta \mathrm{GHK}, \quad \Delta \mathrm{HJK}, \quad \Delta \mathrm{AFJ}$ There are 15 triangles.