摘要
Hands-on Mini Lab Work with a partner.·Fold a paper plate in half four times to divide it into16 equal-sized sections.·Label the radius r as shown.Let C represent the circumference of the circle.·Cut out each section;reassemble to form a parallelogramshaped figure.
出处
《中学生数学》
2024年第22期F0003-F0003,共1页