Area of a Triangle with Base 20 and Height 10
A triangle with base 20 and height 10 has an area of 100 square units.
How to use this tool
- Enter base and height in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your area and the full breakdown beneath it.
Area = ½ × 20 × 10 = 100 square units.
Frequently asked questions
- How do you calculate the area of a triangle?
- Area = (base × height) / 2. The height must be perpendicular to the base.