दी गई आकृति में कितने त्रिभुज है ?

Options

A. 24
B. 30
C. 28
D. 29

Answer

D

Explanation

त्रिभुज इस प्रकार है
`triangle AGF, triangle AGB, triangle AFB, triangle BGH,`
`triangle BHD, triangle CJB, triangle CJD, triangle CBD,`
`triangle BID, triangle BEC, triangle BFI, triangle BFE,`
`triangle EIF, triangle EID, triangle EDF, triangle DGF,`
`triangle DGB, triangle DBF, triangle DHI, triangle HAE,`
`triangle AHB, triangle FDA, triangle BDA, triangle HDE,`
`triangle AEB, triangle ADE, triangle ADC, triangle BDE,`
`triangle AEC,`