Answer:
Explanation:
Alright, lets get started.
The area of trapezoid is given by the formula :

Where a and b are the length of two parallel lines.
h is the distance between both lines.
Plugging the values in formula :
Area =

Area =

Area =

Area = 70 square feet
So thr area of one trapezoid is 70 square feet. : Answer
Hope it will help :)