Geometry
Trapezoid Area
Area of a trapezoid.
Formula
Formula
A = ½ (a + b) h
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| a, b | parallel sides | real number (ℝ) | — | input |
| h | height | real number (ℝ) | — | input |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givenbase a = 5, base b = 7, height h = 4
Result24
Example 2
Givenbase a = 3, base b = 9, height h = 5
Result30