Geometry · Classes 8, 9, 10

Trapezium Area

Average of parallel sides times perpendicular height.

FORMULA
\(A=\frac12(a+b)h\)

Try the calculator

Enter values to see a result and calculation steps.

Worked example

a=6,b=10,h=4 ⇒ 32

Understand this formula

Average of parallel sides times perpendicular height.

Check measurement units, mathematical domains and rounding before applying any result in an examination.

Practice maths →