A sphere is a solid of revolution created by the rotation of a circle around its own axis

                    Pc=4*II*r2

                       V=4\3*II*r3

A cube is a rectangular prism that has all edges the same length

                                  P=6*a2

A cylinder is a geometric solid bounded by a cylindrical surface and two planes parallel to its genatrix 

                           V=IIr2*h

                        (volume)

A cone is formed by rotating a right triangle around one of the legs

                   V=1/3IIr2h

                      (volume)

                         TRIANGLE

Is a polygon that has three sides.

                        P=a*h/2

h-height  a-the lenght of the base of the 

triangle

                                 CIRCLE

A circle is a line and a circle is a geometric figure

                                 P=II*r2

r-radius

                          SQUARE

Is a rectangle with all sides equal.

Area of square=a2

                          RECTANGLE

Is a quodrangle with has a right angles.

Area of rectangle  :

                            A=a*b                                      a,b-sides of the rectangle