This two-dimensional shape can be created by rotating a about its base. another two-dimensional shape that can give this shape is a rotated about a line joining two opposite vertices.

This two-dimensional shape can be created by rotating a  

trapezoid

about its base. Another two-dimensional shape that can give this shape is a  

pentagon

rotated about a line joining two opposite vertices.

Step-by-step explanation:

1.Trapazoid

2.Pentagon

Step-by-step explanation:

Got it right on PLATO

4x and 6y

im not sure though

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d