Question 17
How many triangles are there in the figure below?
Count every triangle whose three straight sides are completely drawn, including larger composite triangles. Treat intended straight lines and common intersections as exact despite scan thickness.
Input: enter a whole number without units; leading zeroes from the paper answer grid may be omitted.
Count every triangle whose three straight sides are completely drawn, including larger composite triangles. Treat intended straight lines and common intersections as exact despite scan thickness.
Input: enter a whole number without units; leading zeroes from the paper answer grid may be omitted.