❤️MathFollowMeandPracticeeveryday💯🤔️跟我一起做💯🌹Topictoday：Applic

❤️Math Follow Me and Practice everyday 💯

🤔️跟我一起做💯

🌹Topic today： Applications of Integration to Geometry积分的几何应用

🔑Key words：

▶️find the area of the region bounded by two curves求两条曲线围城的区域面积

▶️along the y-axis沿着y轴