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In this figure counting the squares and we get the 27 squares.

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The triangle 6 shown in figure and another is ADB,ACB, BDC,ADC, so that total number of triangle is 10

in the figure the 8 triangle is shown easily and another is COD , DOB, BOA, AOC, ACD, BDC,ABC, ABD so that total no. of triangle is 8+8=16