The zenith appears on October 01st. At the same day, find the altitude of the sun at noon at Beijing city (39.900N), China. The subject is Earth science.

(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