πr2 - Area of a circle, L x W x H - Volume of a cuboid, πr2h - Volume of a cylinder, b x h / 2 - Area of a triangle, L x W - Area of a rectangle, 4πr2 - Surface area of a sphere, πd - Circumference of a circle,

排行榜

视觉风格

选项

切换模板

恢复自动保存: