The area of the trapezoid is calculated using the formula from the upper base and lower base and height.
Enter the upper base a, lower base b, the height h and click "calculate the area of trapezoid", the area of the trapezoid is calculated from the upper base, the lower base, and the height.
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The area of the trapezoid whose above bottom a is 2, lower base b is 3, and height h is 4
Area S: 10