本文介绍几何图形的面积周长公式汇总正方形(Square)周长(Perimeter): P=4s面积(Area): A=s2长方形(Rectangle)周长(Perimeter): P=2a+2b面积(Area): A=ab圆形(Circle)周长(Perimeter): P=2πr面积(Area): A=πr2三角形(Triangle)周长(Perimeter): P=a+b+c面积(Area): A=12bh平行四边形(Parallelogram)周长(Perimeter): P=2a+2b面积(Area): A=bh扇形(Circular Sector)弧长(Arc Length): L=πrθ180∘面积(Area): A=πr2θ360∘勾股定理(Pythagorean Theorem)公式: a2+b2=c2斜边长度(Hypotenuse): c=a2+b2圆环(Circular Ring)面积(Area): A=π(R2−r2)球体(Sphere)表面积(Surface Area): S=4πr2体积(Volume): V=4πr33梯形(Trapezoid)周长(Perimeter): P=a+b+c+d面积(Area): A=h(a+b)2长方体(Rectangular Box)表面积(Surface Area): A=2ab+2ac+2bc体积(Volume): V=abc圆锥(Right Circular Cone)表面积(Surface Area): A=πr2+πrs侧面积(Lateral Surface Area): S=r2+h2体积(Volume): V=13πr2h正方体(Cube)表面积(Surface Area): A=6l2体积(Volume): V=l3圆柱体(Cylinder)表面积(Surface Area): A=2πr(r+h)体积(Volume): V=πr2h截头圆锥(Frustum of a Cone)体积(Volume): V=13πh(r2+rR+R2)如有错误,请联系更正!谢谢~
几何图形的面积周长公式汇总
