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

Find the number of triangles in the following figure :

Find the number of triangles in the following figure :

Step-by-step solution

The triangles are : $$\begin{aligned} & \Delta \mathrm{ADE} ; \Delta \mathrm{DBG} ; \Delta \mathrm{DGH} ; \Delta \mathrm{HDE} ; \\ & \Delta \mathrm{HEF} ; \Delta \mathrm{EFC} ; \Delta \mathrm{HGF} ; \Delta \mathrm{DEG} ; \\ & \Delta \mathrm{DGF} ; \Delta \mathrm{EFG} ; \Delta \mathrm{DEF} ; \Delta \mathrm{ECG} ; \\ & \Delta \mathrm{DBF} ; \Delta \mathrm{ABC} \end{aligned}$$