Answer:
two triangles with dimensions of 1 ft by 3 ft and a rectangle with dimensions of 4 ft by 3 ft
Step-by-step explanation:
we know that
A trapezoid can be divided into one rectangle and two triangles
Find the dimensions of rectangle
The base is equal to the minor base of trapezoid
so
The height of rectangle is the same that the height of trapezoid
The dimensions of rectangle are 4 ft by 3 ft
Find the dimensions of triangles
The base of triangles is equal to the semi-difference of the bases of trapezoid
so
The height of triangles is the same that the height of the trapezoid
The dimensions of triangles are 1 ft by 3 ft
therefore
two triangles with dimensions of 1 ft by 3 ft and a rectangle with dimensions of 4 ft by 3 ft