Answer:
The equivalent expressions are:


Step-by-step explanation:
Given equation for finding area of a trapezoid:

where
represents area,
represents height and
represents the base lengths of the trapezoid.
Evaluating
by rearranging the equation to find an equivalent equation.
Multiplying both sides by 2.


Dividing both sides by



Evaluating
by rearranging the equation to find an equivalent equation.
Multiplying both sides by 2.


Dividing both sides by 


Subtracting both sides by 


