Answer:
Step-by-step explanation:
a and b are the parallel sides of the trapezoid.
In the graph, each unit = 2
a = 8 & b= 4
height = h = 8


Answer:

Step-by-step explanation:
From the question we are told that:
Fan oscillates 
Distance 
Since

Generally the equation for the area A is mathematically given by


Where






Therefore the area A is given as



B can NOT represent y=5x because you are multiplying 5 by x not by y.