Completion requirements
You can think of any triangle as half of a parallelogram! This is why its area is half that of the parallelogram: half of height times base. Watch this lecture series and complete the interactive exercises to practice using the triangle area formula.
Practice
Area of triangles - Questions
1. Look at the image below.
What is the area of the triangle?
2. Look at the image below.
What is the area of the triangle?
3. Look at the image below.
What is the area of the triangle?
4. Look at the image below.
What is the area of the triangle?
5. Look at the image below.
What is the area of the triangle?
6. Look at the image below.
What is the area of the triangle?
7. Look at the image below.
What is the area of the triangle?