大人の復習ドリル: Geometry Problems for Grown-Up Brains

Field notes

The tool organizes a 100-question collection around diagram-based geometry, with separate difficult and ordinary sections. Its question types include shaded-region areas, circle and solid geometry, shadows, water depth, matchsticks, clock-hand angles, and counting diagonals or squares. The page describes a progressive hint system in which lines are added to a figure one at a time. It also identifies the project as version 1.6-26.8.29 and discloses AI-assisted generation.