Can you guess the correct answer?
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Pic of question. |
We solve it by differentiate the triangles in the image into three types: small, medium, and large triangles.
Number of small triangles = 12 triangles (3 + 4 + 3 + 2) that are up facing and 12 facing down. Sum = 24 triangles.
Number of medium triangles = 6 triangles (3 + 2 + 1) facing up and 6 facing down. Sum = 12 triangles.
Number of large triangles = 2. One facing up and one facing down.
Hence, the total number of triangles = 24 + 12 + 2 = 38 triangles.