11
Write all the names of the quadrilateral shown

Square, parallelogram, rectangle, rhombus, regular polygon

Step-by-step explanation:

The figure shown is a square. (4 congruent sides and 4 90 degree angles)

A square is a parallelogram (opposite sides parallel and equal in length), a rectangle (all angles are 90°) , a rhombus (all sides are equal length) , and a regular polygon (all angles equal and all sides equal).

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24