Act2.Translate each statement into mathematical sentence.Use K as the constant of variation.
1.the base b of a triangle varies inversely as its altitude h.

2.the total force F of a liquid varies jointly as the surface area A,the depth of liquid h,and the density d.

3.the pressure P of a gas varies directly as its temperature T and inversely as the volume V.

4.the number of hours h to finish a job varies inversely as the number of workers w on the job .

5.the volume of a cylinder V varies jointly as its height h and the square f the radius r​