Answer:
93.6
Explanation:
1/2(6+12)*10.4=93.6 square feet
1. 1/2*6*1/2*10.4- the triangle section
2. 1/2(6+12)*1/2*10.4- top trapezoid section
3. bottom section= section 2- section 1
Added up all 3 sections we get the first line and the answer is 93.6 square feet