2. An 8-inch cake has a diameter of 20.32 cm and a radius of 10. 16 cm.

3. The cake is an ancient West Point, which is made by an oven. The cake is mainly made of eggs, sugar and wheat flour. Milk, fruit juice, milk powder, fragrant powder, salad oil, water, shortening and baking powder are used as auxiliary materials. After stirring, concocting and baking, it is made into a sponge-like snack.