Area of Triangles
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 right triangles - Answers
1. The triangle has an area of 30 units 
.
2. The triangle has an area of 
units .
3. The triangle has an area of 120 units .
4. The triangle has an area of 48 units .