Оценка4,0(1 356)Cut a 7.5 cm (3 inch) wide strip of paper. · Draw two parallel lines that divide it into three 2.5 cm-wide strips. · Make marks every 2.5 cm along one long edge ...
First: Cut a straight line from the one corner towards the opposite corner, but only make the cut a few inches deep. Second: Cut a hole just larger than the ...
23 апр. 2020 г. · Students build their own small-scale model roller coasters using pipe insulation and marbles, and then analyze them using physics principles.