The major ethnic groups that form the core of East Asia are the Han, Joseon, and Yamato. Other ethnic groups of East Asia include the Bai, Hui, Tibetans, Manchus, Ryukyuan, Ainu, Zhuang, and Mongols. The major East Asian language families are the Sinitic, Japonic, and Koreanic families

(10 points) 1. cone 2. rectangle 3. triangle 4. circle 5. cylinder a. perpendicular cross section of a pyramid b. perpendicular cross section of a cylinder c. parallel cross section of a sphere d. shape created when a rectangle is rotated about the y-axis e. shape created when a right triangle is rotated about the y-axis