Question 16
How many triangles are there in the figure?

Count all triangles, including larger composite ones. Treat intended straight lines and shared intersections as exact despite scan thickness.
Input: enter a whole number without units; leading zeroes from the paper answer grid may be omitted.

Count all triangles, including larger composite ones. Treat intended straight lines and shared intersections as exact despite scan thickness.
Input: enter a whole number without units; leading zeroes from the paper answer grid may be omitted.