Trapezium area
Solve trapezium area with your values and follow each calculation step.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
A = (a+b)h/2
Variables & units
- First parallel side
- cm · minimum 0, maximum 1000000
- Second parallel side
- cm · minimum 0, maximum 1000000
- Perpendicular height
- cm · minimum 0, maximum 1000000
Worked example
Parallel sides 6 and 10 cm with height 4 cm give 32 cm².
Assumptions
The two entered sides must be parallel.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
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