Answer:
43.5 in^2
Explanation:
The area of a trapezoid is given by
A = 1/2 ( b1+b2) h where b1 and b2 are the lengths of the bases and h is the height
We need to change 1 1/4 ft to inches = 1.25 (12) = 15 inches
A = 1/2 ( 15+14) 3
A = 1/2(29)*3
43.5 in^2