Question 18
How many triangles are there in the figure below?
Count all sizes and orientations. Intended straight lines and junctions are exact despite the thickness of the scan.
Input: enter a whole number without units; leading zeroes from the paper answer grid may be omitted.
Count all sizes and orientations. Intended straight lines and junctions are exact despite the thickness of the scan.
Input: enter a whole number without units; leading zeroes from the paper answer grid may be omitted.