Triangle area
Your result12 m²
6 × 4 ÷ 2
Area = base × perpendicular height ÷ 2
Multiply the base by its perpendicular height and divide by two.
Worked example
A triangle with a base of 8 cm and height of 3 cm has an area of 12 cm². A sloping side cannot replace the perpendicular height.
Try it with your own numbers
Use the Triangle Calculator to check another example. Read the input labels carefully and keep units consistent.
Before you use the answer
Choose the correct starting quantity and keep full precision until the final step. An arithmetic result describes the numbers entered; the usefulness of the result depends on accurate measurements and the assumptions in the calculation.
