Understanding and implementing shell feature sketch blocks and Linear pattern in Solidworks

Objective: 1.Oil Tank -First draw a horizontal line on the Top Plane then draw two other lines from the ends of the first lines.After that draw a 3 point arc connecting the two lines.-After that extrude the figure using Extruded Boss/Base tool.-Now draw another sketch of a quadrilateral on the Midplane and the extrude that too with…