Answer:
A = 13 1/2 sq units
Explanation:
A(trapezoid) = 1/2·h·(b₁ + b₂)
b₁ = one of the bases
b₂ = the other base
the bases are the sides parallel to each other
the height is the number of units connecting the bases
A = 1/2(3)(3+6)
A = 3/2(9)
A = 27/2 or 13 1/2 sq units