दी गई आकृति को बनाने के लिए आवश्यक सीधी रेखाओं की न्यूनतम संख्या ज्ञात कीजिए।

How many triangles are there in a standard pentagram (a five-pointed star)?

Determine the standard total number of parallelograms formed in a grid of 3 rows and 2 columns.

Count the number of rectangles of any size embedded in a standard 3 × 2 grid (consisting of 6 smallest squares arranged in 3 rows and 2 columns).