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 following figure?

How many triangles are there in the following figure?

Step-by-step solution

The triangles are : $\triangle \mathrm{FEB} ; \triangle \mathrm{CBD} ; \triangle \mathrm{FAG} ; \triangle \mathrm{FEG} ;\triangle \mathrm{BCI} ; \triangle \mathrm{CDI} ; \triangle \mathrm{AFI} ; \triangle \mathrm{EFI} ;\triangle \mathrm{BGC} ; \triangle \mathrm{DCG} ; \triangle \mathrm{AGI} ; \triangle \mathrm{BIH} ;\triangle \mathrm{AGB} ; \triangle \mathrm{ABI} ; \triangle \mathrm{HAB} ; \triangle \mathrm{HBI}$; $\triangle \mathrm{HGI} ; \triangle \mathrm{HAG} ; \triangle \mathrm{GEI} ; \triangle \mathrm{GED} ;\triangle \mathrm{IDE} ; \triangle \mathrm{IDG} ; \triangle \mathrm{JGI} ; \triangle \mathrm{JDI} ;\triangle \mathrm{JGE} ; \triangle \mathrm{JDE} ; \triangle \mathrm{AIE} ; \triangle \mathrm{BGD} ;$ Thus, there are 28 triangles.