Identify the two parallel sides (bases), (b_1) and (b_2)
Measure the perpendicular height (h) between the bases
Use the formula: (A=frac{(b_1+b_2)}{2}cdot h)
Compute (b_1+b_2)
Multiply by (h)
Divide by (2)
Report the area in square units (e.g., (text{cm}^2), (text{m}^2))