Area of a trapezoid is the picture below:
With that being said you just plug the numbers into the formula. I recommend using a calculator.
1. A = 1.5 + 3.3 / 2 x 2.9 = 6.96in^2
2. A = 0.6 + 2 / 2 x 2 = 2.6in^2
3. A = 1.4 + 4 / 2 x 3 = 8.1in^2
4. A = 1.6 + 4 / 2 x 2 = 5.6m^2
Hope this helped!
