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Q20 a. Write a Matlab function that calculates the surface area and volume of a cube. The equations to calculate the area and volume are: area 6 x2 yolume Ex3 where x is the length of the cube Name the function areavol b. Write a Matlab function that calculates the surface area and volume of a cylinder. The equation to calculate the surface area is C2 nt r h 2 r2), where h is the length of the cylinder and r is its radius. The volume Ent r2 h. Name the function areavolcylinder c. Write a Matlab function that calculates the surface area and volume of a sphere. The equations to calculate the area and volume are: area 4Tr2, volume (4/3) T r where r is the radius of the sphere. Name the function areavolsphere Test your functions areavolcube, areavolcylinder, and areavolshpere with the