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ANIRBAN DAS

· started a discussion

· 1 Months ago

All the options of question ID- 203950.0 are incorrect.

Question:
How many triangles are there in the following figure ?


Options:
A) 20
B) 24
C) 28
D) 32
Solution:

Ans:(c)


The triangles are:

∆FEA; ∆CBD; ∆FAG; ∆FEG 

∆BCI; ∆CDI; ∆AFI; ∆EFI

∆BGC; ∆DCG; ∆AGI; ∆BIH

∆AGB; ∆ABI; ∆HAB; ∆HBI

∆HGI; ∆HAG; ∆GEI; ∆GED

∆IDE; ∆IDG; ∆JGI; ∆JDI

∆JGE; ∆JDE; ∆AIE; ∆BGD



For Video Solution Click on the link given below:

PRADEEP DHINDWAL

· commented

· 1 Months ago

BIH and HBI both are same ,,,double counting

Knowledge Expert

· commented

· 1 Months ago

Hi Anirban, you must count it very sincerely, as there are only 28 triangles .

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