HELP, please!! What is the area of a trapezoid ABC?

Answer:
Step-by-step explanation:
Area of trapezoid:
[tex] \frac{1}{2} \times \: sum \: of \: parallel \: sides \: \times height[/tex]
plugging the values:
[tex] \frac{1}{2} \times (21 + 5) \times 2[/tex]
Calculate the sum
[tex] \frac{1}{2} \times 26 \times 2[/tex]
Reduce the numbers with G.C.F 2
[tex]13 \times 2[/tex]
Calculate the product
[tex]26[/tex] feet squared.
Hope this helps...
Best regards!