Ключевые слова: accuracy, angle, art, centimeter, centimeters, chart, circle, collection, color, construction, degree, design, drawing, education, equipment, flat, geometric, geometry, house, icon, illustration, inch, instrument, length, line, math, mathematics, measure, measurement, millimeter, number, object, office, plastic, protractor, rule, ruler, scale, school, shadow, symbol, tool, triangle, white, wood, work,